Astore Avf Abs Nu2 Backnut 3/4 Snu20250 buy online at trade prices  feedback | view cart | contact us | faq | home
MyTub - Plumbing, Parts and Spares, Drainage and Heating trade supply specialists
Shopping cart
You have no items
in your trolley.
SubTotal : £0.00
Contact MyTub for plumbing supplies 0844 556 1818


Plumbing Trade prices delivered to your door

 Upto 60% off RRP
Tuesday 1, September 2026
login / register 		 
  Departments
Bathroom & Kitchen Bathroom & Kitchen Supplies
Heating System Supplies Heating System Supplies
Parts and Spares Parts and Spares Supplies
Drainage Above & Below Ground Drainage System Supplies
Pressure Pipe Fittings and Valves Pressure Pipe Fittings and Valves
Abs 200 225mm Pipe and Fittings Abs 200 225mm Pipe and Fittings
Abs Dia Butt and Solenoid Valves Abs Dia Butt and Solenoid Valves
Abs Vkd tkd ball Check and Air Release Valve Abs Vkd tkd ball Check and Air Release Valve
Agru Pe Fittings Agru Pe Fittings
Agru Polyprop Vent Pipe and Fire Retard Agru Polyprop Vent Pipe and Fire Retard
Agru Pp Fittings Agru Pp Fittings
Agru Pvdf Socket Fusion Fittings Agru Pvdf Socket Fusion Fittings
Amari Plastic Sheet Amari Plastic Sheet
Andrews Combiflo Water Heaters and Boilers Andrews Combiflo Water Heaters and Boilers
Andrews Hexflo Water Heaters and Boilers Andrews Hexflo Water Heaters and Boilers
Astore 1012 Pvc Fittings Astore 1012 Pvc Fittings
Astore Abs Pipe Astore Abs Pipe
Astore Abs Valves Astore Abs Valves
Astore Inch Abs Fittings Astore Inch Abs Fittings
Astore Inch Upvc Fittings Uti 6 Astore Inch Upvc Fittings Uti 6
Astore Metric Pvc Fittings Astore Metric Pvc Fittings
Astore Upvc Fittings 8 Astore Upvc Fittings 8
Astore Upvc Pipe Astore Upvc Pipe
Astore Upvc Valves Astore Upvc Valves
Avk Ductile Iron Pressure Fittings Avk Ductile Iron Pressure Fittings
Celmar Sheet Celmar Sheet
Century Clear Polycarbonate Sheet Century Clear Polycarbonate Sheet
Century Plastics Profiles Century Plastics Profiles
Cig Spindles Cig Spindles
Clamp Saddles and Tank Conn and Accessories Clamp Saddles and Tank Conn and Accessories
Clear Pvc Sheet Clear Pvc Sheet
Corthene Ldpe Sheet Corthene Ldpe Sheet
Corzan Corzan
Cpv Metric Pp Pipe Cpv Metric Pp Pipe
Cpv Natural Pipe and Fittings Cpv Natural Pipe and Fittings
Cpv Pp Hg Fittings and Valves Metric Cpv Pp Hg Fittings and Valves Metric
Cpv Pp Hg Pipe Valves and Fittings Imperial Cpv Pp Hg Pipe Valves and Fittings Imperial
Deka Metric Pvc Vent Pipe Deka Metric Pvc Vent Pipe
Drain Utilities Backing Flanges Drain Utilities Backing Flanges
Drive Rivets Drive Rivets
Ductile Iron Pressure Fittings Ductile Iron Pressure Fittings
Ductile Iron Pressure Fittings 2 Ductile Iron Pressure Fittings 2
Durapipe Abs Airline Metric Fittings Durapipe Abs Airline Metric Fittings
Durapipe Abs Fittings 1 14 and Above Durapipe Abs Fittings 1 14 and Above
Durapipe Abs Fittings 1 and Below Durapipe Abs Fittings 1 and Below
Durapipe Abs Fittings 20 160mm Durapipe Abs Fittings 20 160mm
Durapipe Abs Pipe 1 14 and Above Durapipe Abs Pipe 1 14 and Above
Durapipe Abs Pipe 1 and Below Durapipe Abs Pipe 1 and Below
Durapipe Abs Pipe 16mm To 160mm Durapipe Abs Pipe 16mm To 160mm
Durapipe Cement Durapipe Cement
Durapipe Cobra Clips Durapipe Cobra Clips
Durapipe Pp Bw Fittings Durapipe Pp Bw Fittings
Durapipe Pp Socket Fusion Durapipe Pp Socket Fusion
Durapipe Pp Strainers Durapipe Pp Strainers
Durapipe Pp Valves Manual Durapipe Pp Valves Manual
Durapipe Pvc Fittings 1 14 and Above Durapipe Pvc Fittings 1 14 and Above
Durapipe Pvc Fittings 1 and Below Durapipe Pvc Fittings 1 and Below
Durapipe Strainers Durapipe Strainers
Effast Abs Fittings Effast Abs Fittings
Effast Abs Pipe Effast Abs Pipe
Effast Abs Valves Effast Abs Valves
Effast Pp and Actuated Valves Effast Pp and Actuated Valves
Effast Pp Fittings Effast Pp Fittings
Effast Pp Pipe Effast Pp Pipe
Effast Pvcu Fittings Effast Pvcu Fittings
Effast Pvcu Pipe Effast Pvcu Pipe
Effast Pvcu Valves Effast Pvcu Valves
Epdm Gaskets Epdm Gaskets
Er and Ge Ppc Sheet Er and Ge Ppc Sheet
Fire Retardent Pp Sheet Fire Retardent Pp Sheet
Flamco Multiskin 4 Pipe Flamco Multiskin 4 Pipe
Flamco Multiskin Metallic Press Flamco Multiskin Metallic Press
Flamco Multiskin Synthetic Press Flamco Multiskin Synthetic Press
Flamco Multiskin Synthetic Push Flamco Multiskin Synthetic Push
Flamco Multskin 2 Pipe Flamco Multskin 2 Pipe
Flexible Pvc Clear Door Strip Flexible Pvc Clear Door Strip
Flexible Pvc Duct Flexible Pvc Duct
G F Economy Ball Valves G F Economy Ball Valves
Gehr Clear Pvc Pipe Gehr Clear Pvc Pipe
Gehr Pvc Pp and Hdpe Rod Gehr Pvc Pp and Hdpe Rod
Georg Fischer Abs Fittings Georg Fischer Abs Fittings
Georg Fischer Abs Fittings 1 14 and Above Georg Fischer Abs Fittings 1 14 and Above
Georg Fischer Abs Fittings 1 and Below Georg Fischer Abs Fittings 1 and Below
Georg Fischer Abs Imperial Fittings Georg Fischer Abs Imperial Fittings
Georg Fischer Abs Pipe Georg Fischer Abs Pipe
Georg Fischer Abs Type 546 Ball Valve Georg Fischer Abs Type 546 Ball Valve
Georg Fischer Abs Valves Georg Fischer Abs Valves
Georg Fischer Abs Valves and Accessories Georg Fischer Abs Valves and Accessories
Georg Fischer Actuated Valves Georg Fischer Actuated Valves
Georg Fischer Actuated Valves and Accessories Georg Fischer Actuated Valves and Accessories
Georg Fischer Alprene Fittings Georg Fischer Alprene Fittings
Georg Fischer Black E Fusion Pe Fittings Georg Fischer Black E Fusion Pe Fittings
Georg Fischer Black Electrofusion Pe Fittings Georg Fischer Black Electrofusion Pe Fittings
Georg Fischer Carriage Charges Georg Fischer Carriage Charges
Georg Fischer Contain IT Georg Fischer Contain IT
Georg Fischer Cool Fit Pipe Georg Fischer Cool Fit Pipe
Georg Fischer Cpvc 546 Valves and Accessories Georg Fischer Cpvc 546 Valves and Accessories
Georg Fischer Cpvc Liner Pipes Georg Fischer Cpvc Liner Pipes
Georg Fischer Cpvc Pipe Fittings and Valves Georg Fischer Cpvc Pipe Fittings and Valves
Georg Fischer Economy Ball Valves Georg Fischer Economy Ball Valves
Georg Fischer Ef Infrastructure Georg Fischer Ef Infrastructure
Georg Fischer Ef Infrastructure 2 Georg Fischer Ef Infrastructure 2
Georg Fischer High Purity Pvdf Georg Fischer High Purity Pvdf
Georg Fischer Ifit Georg Fischer Ifit
Georg Fischer Ifit Fittings [ifit 1] Georg Fischer Ifit Fittings [ifit 1]
Georg Fischer Ifit Tooling [mach 5] Georg Fischer Ifit Tooling [mach 5]
Georg Fischer Instaflex Machinery and tooling Georg Fischer Instaflex Machinery and tooling
Georg Fischer Instaflex Machinery and tooling [mach 4] Georg Fischer Instaflex Machinery and tooling [mach 4]
Georg Fischer Instaflex S Fusion Fittings Georg Fischer Instaflex S Fusion Fittings
Georg Fischer Mechanical Slip Couplers Georg Fischer Mechanical Slip Couplers
Georg Fischer Metric Abs Fittings Georg Fischer Metric Abs Fittings
Georg Fischer Pe Fabrication Items Georg Fischer Pe Fabrication Items
Georg Fischer Pe Fabrication Items [pe 7] Georg Fischer Pe Fabrication Items [pe 7]
Georg Fischer Pe Pipe Georg Fischer Pe Pipe
Georg Fischer Pe S Fusion Fittings Georg Fischer Pe S Fusion Fittings
Georg Fischer Pe Valves and Accessories Georg Fischer Pe Valves and Accessories
Georg Fischer Poly Prop Pipe Georg Fischer Poly Prop Pipe
Georg Fischer Pp B Liner Pipe Georg Fischer Pp B Liner Pipe
Georg Fischer Pp S and Pvc U Vent Pipe [liner 2] Georg Fischer Pp S and Pvc U Vent Pipe [liner 2]
Georg Fischer Pp Tube and Fittings Metric Georg Fischer Pp Tube and Fittings Metric
Georg Fischer Progef Pp Pipe Georg Fischer Progef Pp Pipe
Georg Fischer Progef Pp S Fusion Fittings Georg Fischer Progef Pp S Fusion Fittings
Georg Fischer Pvc C Fittings Georg Fischer Pvc C Fittings
Georg Fischer Pvc C Fittings 1 14 inch and Above Georg Fischer Pvc C Fittings 1 14 inch and Above
Georg Fischer Pvc C Type 546 Ball Valves Georg Fischer Pvc C Type 546 Ball Valves
Georg Fischer Pvc Fittings Georg Fischer Pvc Fittings
Georg Fischer Pvc Fittings 1 14 and Above Georg Fischer Pvc Fittings 1 14 and Above
Georg Fischer Pvc Fittings 1 and Below Georg Fischer Pvc Fittings 1 and Below
Georg Fischer Pvc U Metric Fittings Georg Fischer Pvc U Metric Fittings
Georg Fischer Pvc U Metric Pipe Georg Fischer Pvc U Metric Pipe
Georg Fischer Pvc U Valves and Accessories Georg Fischer Pvc U Valves and Accessories
Georg Fischer Pvcu Imperial Fittings Georg Fischer Pvcu Imperial Fittings
Georg Fischer Pvdf Fittings Metric Georg Fischer Pvdf Fittings Metric
Georg Fischer Pvdf Tube Georg Fischer Pvdf Tube
Georg Fischer Sygef Pvdf Bcf Fittings Georg Fischer Sygef Pvdf Bcf Fittings
Georg Fischer Sygef Pvdf Fittings Georg Fischer Sygef Pvdf Fittings
Georg Fischer Sygef Pvdf Type 546 Valves Georg Fischer Sygef Pvdf Type 546 Valves
Georg Fischer Upvc Fittings and Valves Metric Georg Fischer Upvc Fittings and Valves Metric
Georg Fischer Upvc Pipe Metric Georg Fischer Upvc Pipe Metric
Georg Fischer Upvc Valves and Spares Georg Fischer Upvc Valves and Spares
Georg Fischer Variable Area Flow Meters Georg Fischer Variable Area Flow Meters
Georg Fischer Waga Fittings Georg Fischer Waga Fittings
Georg Fischer Waga Fittings Dn40 Dn500 Georg Fischer Waga Fittings Dn40 Dn500
George Fischer Manual Tools George Fischer Manual Tools
George Fischer Pe Pipe and Fittings George Fischer Pe Pipe and Fittings
Gf Black E Fusion Pe Fittings Gf Black E Fusion Pe Fittings
Gfain It Pipes and fittings Gfain It Pipes and fittings
Girpi Girair and Girpi Accessories Girpi Girair and Girpi Accessories
Girpi Hta Cpvc Fittings and Valves Girpi Hta Cpvc Fittings and Valves
Girpi Hta Cpvc Pipes Girpi Hta Cpvc Pipes
Girpi Kryoclim Pipes Girpi Kryoclim Pipes
Girpi Upvc Range K62 Girpi Upvc Range K62
Gms Backing Rings and Blank Plates Gms Backing Rings and Blank Plates
Gps Black Electrofusion Pe Fittings Gps Black Electrofusion Pe Fittings
Gps Black Puppedspigot Pe Fittings Gps Black Puppedspigot Pe Fittings
Gps Blue Electrofusion Pe Fittings Gps Blue Electrofusion Pe Fittings
Gps Blue Puppedspigot Pe Fittings Gps Blue Puppedspigot Pe Fittings
Gps Secura Line Gps Secura Line
Gps Yellow Electrofusion Pe Fitting Gps Yellow Electrofusion Pe Fitting
Gps Yellow Puppedspigot Pe Fitting Gps Yellow Puppedspigot Pe Fitting
Hdpe Pp Sheet Hdpe Pp Sheet
Hose Adaptors and Pp Flanges Hose Adaptors and Pp Flanges
Hy Ram Drainage Hy Ram Drainage
Impellors and Sheet Impellors and Sheet
Instaflex Instaflex
Instaflex Machines and Tools Instaflex Machines and Tools
Jet Blank Flanges and Back Nuts Jet Blank Flanges and Back Nuts
Jet Range Abs and Pvc Tank Connectors Jet Range Abs and Pvc Tank Connectors
Jet Range Plastic pples Jet Range Plastic pples
Jet Range Sheet Gasket Material Jet Range Sheet Gasket Material
Jet Reducing Bushes and Gaskets Jet Reducing Bushes and Gaskets
Jindal Sigma Di Pipe and Fittings Jindal Sigma Di Pipe and Fittings
Joint Rings and Flange Sets For Ductile Joint Rings and Flange Sets For Ductile
Large Bore Blue and Black Pe Pipe Large Bore Blue and Black Pe Pipe
Large Diameter Aquafast Large Diameter Aquafast
Maclow Clips For Plastic Pipe Maclow Clips For Plastic Pipe
Microflex Fittings Microflex Fittings
Microflex Pipe Microflex Pipe
Misc Plastic Profiles Misc Plastic Profiles
Nylon 66 Rod Nylon 66 Rod
Pegler Multipress Fittings Pegler Multipress Fittings
Pegler Multipress Tube Pegler Multipress Tube
Pegler Yorkshire Power Press Pegler Yorkshire Power Press
Perforated and Expanded Pppvc Sheet Perforated and Expanded Pppvc Sheet
Pipe Repair Clamps Pipe Repair Clamps
Plasson Electrofusion Fittings Plasson Electrofusion Fittings
Plasson Fittings Plasson Fittings
Plasson Gunmetal Valves and Fittings Plasson Gunmetal Valves and Fittings
Plasson Mcp Plasson Mcp
Plasson Pushfit Plasson Pushfit
Plasson Pushfit 2 Plasson Pushfit 2
Plasson Pushfit and Barrier Plasson Pushfit and Barrier
Polypipe Geothermal Pipe Polypipe Geothermal Pipe
Polypipe Pre Insulated Piping Systems Polypipe Pre Insulated Piping Systems
Pre Insulated Pipe and Fittings Pre Insulated Pipe and Fittings
Protecta Line Fittings Protecta Line Fittings
Protecta Line Fluid Compression Fittings Protecta Line Fluid Compression Fittings
Pvc Ball and Air Release Valve Pvc Ball and Air Release Valve
Pvc Pipe and Fittings Metric Pvc Pipe and Fittings Metric
Pvc Sk Diaphragm and Solenoid Valves Pvc Sk Diaphragm and Solenoid Valves
Pvc Vkd tkd vx ve Ball and air Release Valve Pvc Vkd tkd vx ve Ball and air Release Valve
Rauthermex Pipe and Fittings Rauthermex Pipe and Fittings
Rauvitherm Pre Insulated Fittings Rauvitherm Pre Insulated Fittings
Rauvitherm Pre Insulated Pipe and Fittings Rauvitherm Pre Insulated Pipe and Fittings
Rehau Chilled Water Pipe and Fittings Rehau Chilled Water Pipe and Fittings
Rehau Reguard Watterrol Rehau Reguard Watterrol
Rehau Tools and Accessories Rehau Tools and Accessories
Rehau Underfloor Heating Rehau Underfloor Heating
Repair Clamps Repair Clamps
Safi Valves Safi Valves
Saint Gobain Di Flanged Pipe and Fittings Saint Gobain Di Flanged Pipe and Fittings
Saint Gobain Ductile Iron Disc2 Saint Gobain Ductile Iron Disc2
Saint Gobain Ductile Iron Pressure Pipe Saint Gobain Ductile Iron Pressure Pipe
Sheets Blocks Ectfe and Pvdf Weld Rod Sheets Blocks Ectfe and Pvdf Weld Rod
Simona Box Section Pipe Simona Box Section Pipe
Simona Hmg1000 Solid Rod Simona Hmg1000 Solid Rod
Simona Hml500 Solid Rod Simona Hml500 Solid Rod
Simona Pe Natural Rod Simona Pe Natural Rod
Simona Pp Beige Rod Simona Pp Beige Rod
Simona Pvc Black Rod Simona Pvc Black Rod
Simona Pvc Dark Grey Rod Simona Pvc Dark Grey Rod
Simona Pvc Glas Tube 5m Length Simona Pvc Glas Tube 5m Length
Simona Pvc Z Grade Sheet Simona Pvc Z Grade Sheet
Soft Pvc Sheet Soft Pvc Sheet
Standpipes Standpipes
Talbot Nca Fittings Talbot Nca Fittings
Thermoplastic Weld Rod Thermoplastic Weld Rod
Tp Check Valves Tp Check Valves
Trovidur En N and Er Pvc Sheet Trovidur En N and Er Pvc Sheet
Trovidur En Pvc Sheet Trovidur En Pvc Sheet
Trovidur White and Clear Pvc Sheet Trovidur White and Clear Pvc Sheet
Uponor Mlcp Pipe System Uponor Mlcp Pipe System
Uponor Rtm Mlcp Push Fit Fittings Uponor Rtm Mlcp Push Fit Fittings
Uponor Tools For Mlcp Pipe System Uponor Tools For Mlcp Pipe System
Upvc Rod Upvc Rod
Vulcathene Enfusionrol Box and Access Vulcathene Enfusionrol Box and Access
Vulcathene Mechanical and Enfusion Waste Vulcathene Mechanical and Enfusion Waste
Weld Rods and Polypropylene Sheet Weld Rods and Polypropylene Sheet
Air Conditioning & Refrigeration Supplies Air Conditioning & Refrigeration Supplies

  Manufactures
Manufactures Manufactures list

  Collections
collections Design collections
Home > > > > > >

Astore Avf Abs Nu2 Backnut 3/4 Snu20250

Astore Inch Abs Fittings - Astore Avf Abs Nu2 Backnut 3/4 Snu20250

31% 31 percent off rrp

Department: Astore Inch Abs Fittings
  Astore Avf Abs Nu2 Backnut 3/4 Snu20250
    ABS Typical Applications:
• Waste water
• Potable water
• Process water
• Chilled water
• Agriculture and horticulture
• Imperial size range: 1/2" to 8"
• Temperature: -40°C to 70°C
• Pressure rating: Up to Class E
  AVF ABS NU2 BACKNUT 3/4

ABS (Acrylonitrile Butadiene Styrene) pipe and fittings are ideal for use in pressurised irrigation systems, drinking water, chemical installations and for water treatment.
Astore ABS is a solvent welded, fully matched pipework system incorporating pipe, fittings and valves that is available in a range of imperial sizes.
ABS is lightweight and is extremely easy to install which can save both time and money on any given project when compared to other, more traditional pipework materials.
Manufacture: Astore
Product colour: Mid-Grey
Material: ABS
Kitemark: BS 5392 Part 1
Astore
Code#:		 SNU20250
MyTub Code#: 589975
PDF File: Download pdf brochure 2.68mb
 
rrp£4.75
save£1.47
inc vat(£3.94)

price£3.28

Free Delivery
for orders over £35.00
email for overseas delivery charges

Stock Check Astore Avf Abs Nu2 Backnut 3/4 Snu20250 check stock level here..
   
 

Related Astore Inch Abs Fittings Products
Avf Abs Bo4 Socket Union 2.1/2 Sbo40750
Related item Avf Abs Bo4 Socket Union 2.1/2 Sbo40750
rrp£123.31
our price£84.65
Avf Abs Bn6 Pl/bsp Barrel Nipple 1.1/2
Related item Avf Abs Bn6 Pl/bsp Barrel Nipple 1.1/2
rrp£14.46
our price£9.92
Astore Avf Abs Af6 Pl/bsp Adaptor 1
Related item Astore Avf Abs Af6 Pl/bsp Adaptor 1
rrp£9.68
our price£6.66
Astore Avf Abs Ma6 Pl/bsp Socket 1/2
Related item Astore Avf Abs Ma6 Pl/bsp Socket 1/2
rrp£8.35
our price£5.72
Astore Avf Abs Bo4 Socket Union 2
Related item Astore Avf Abs Bo4 Socket Union 2
rrp£50.95
our price£34.98
Avf Abs Ma6 Pl/bsp Socket 1.1/4 Sma60400
Related item Avf Abs Ma6 Pl/bsp Socket 1.1/4 Sma60400
rrp£17.89
our price£12.28
Avf Abs Am6 Fi Pl/mi Bsp Adaptor 3
Related item Avf Abs Am6 Fi Pl/mi Bsp Adaptor 3
rrp£64.73
our price£44.44
Avf Abs Bn6 Pl/bsp Barrel Nipple 1/2
Related item Avf Abs Bn6 Pl/bsp Barrel Nipple 1/2
rrp£5.98
our price£4.10

Astore Avf Abs Nu2 Backnut 3/4 Snu20250 Delivered to your door

Shopping cart
Your Shopping Cart is Empty

Contract Pricing and Quantity Discounts available

  Recently viewed  
Astore Avf Abs Nu2 Backnut 3/4 Snu20250 astore avf abs nu2 backnut 3/4 snu20250
£3.28

Feedback
Hi, Thanks for a positive shopping experience. Good communication and goods arrived well packaged.
...Fiona
I had excellent service from MyTub I received the product I had asked for Delivered at the time stated Thank you Jon Tuplin
...Jon Tuplin
Great service. Kept me well informed of delivery date. Arrived on time. Cant fault that.
...Clive Townley
Fantastic customer services, very helpful and friendly. Next day delivery, order was as promised. Would highly recommend. Thank you
...Judith Nicholson
Thank you - a very efficient service and excellent telephone support staff.
...Margaret Miller
Very good service. Order was delivered on time and the price was competitive. Thanks John
...David John Burdon
Swift delivery of the required item, many thanks.
...Chris Bell - Green Combined Power Ltd
Your service is excellent. I have not yet had the heat pole installed, but it looks good.
...John Hey
It was easy to find the branded product I wanted on your website and delivery was on the day stated. Thank you for an excellent all round service.
...Diane Curtis
Competitive pricing and painless ordering process. Incorrect item delivered by supplier but this was resolved fairly efficiently. Thank you.
...Steve

Why choose MyTub Limited for astore avf abs nu2 backnut 3/4 snu20250 SNU20250?

  • Fast deliveries
  • Nationwide UK distribution delivery network
  • Local pickup if required
  • Professional Human Service
  • Pre sales tech advice
  • Second to none after sales service
  • This astore avf abs nu2 backnut 3/4 snu20250 SNU20250 is a genuine branded product
  • Worldwide export if required
  • Read what the experts, our customers have to say above.

Price Match Guaranteed
MyTub ltd Plumbing Supplies  
      VAT relief for disabled people MyTub is a member of the British Chambers of Commerce  
Major credit cards accepted
 Verified by VISA  
MasterCard SecureCode
MyTub Ltd
61 Victoria Terrace
Whitley Bay
Tyne & Wear
NE26 2QN
Company No. 06352542
VAT number: 917634607
Telephone 0844 5561818 calls are charged at 7p per minute PLUS your telephone network will charge you which can be significant.
Copyright 2007 - 2026 © MyTub Ltd
Astore Drainage
Astore Avf Abs Nu2 Backnut 3/4 Snu20250