40mm Plumbing Rubber Washers for Waste Pipe & Trap Connections – Leak Proof Replacement Seal Rings for Sink, Basin & Bottle Trap – Durable Flexible Gasket by 315 Supplies (6)

• 💧 ELIMINATE LEAKS FAST: Create a secure watertight seal on sink, basin and waste pipe connections. These 40mm rubber plumbing washers compress perfectly to stop drips, odours and slow leaks from trap and waste fittings.
• 🛠️ UNIVERSAL 40MM FIT: Designed to fit standard 40mm UK waste pipe and trap connections. Suitable for bottle traps, sink wastes, basin fittings, compression joints and general plumbing repairs.
• 🔧 DURABLE FLEXIBLE RUBBER: Manufactured from high-quality flexible rubber for a tight compression seal. Resistant to cracking, deformation and everyday wear — ideal for long-term plumbing use.
• 🏠 TRADE & DIY FRIENDLY: Perfect for professional plumbers, landlords, maintenance teams and DIY home repairs. Keep spares ready for quick replacements and emergency fixes.
• 📦 CHOOSE YOUR PACK SIZE: Available in 6 pack or 12 pack options. Keep extras in your toolbox, van or maintenance kit so you’re never caught short during installs or repairs.

Reliable Leak-Proof Sealing for 40mm Waste Pipe Connections The 315 Supplies 40mm plumbing washer set is designed to provide a dependable watertight seal for sink, basin and waste pipe installations. Whether you're repairing a leaking trap or installing new plumbing fittings, these durable rubber seal rings ensure a tight, secure connection. Manufactured from flexible, high-quality rubber, each washer compresses evenly to prevent water leaks and unwanted odours escaping from waste systems. Ideal for both professional plumbers and DIY home maintenance. Universal Plumbing Compatibility These 40mm seal washers are compatible with most standard UK: Sink waste pipes Basin traps Bottle traps Compression fittings Waste pipe connections A must-have spare part for any plumbing toolkit. Built for Reliability Cheap washers can harden, split or fail quickly. 315 Supplies washers are designed for durability and consistent performance, helping you complete installs and repairs with confidence. Pack Sizes Available Choose the pack size that suits your needs: 6 Pack – Ideal for home repairs 12 Pack – Perfect for trade or bulk spares Keep your plumbing sealed, secure and leak-free with 315 Supplies.