Rubber Washer Seal for Kitchen Sink Strainer Plug - 74000002
Seal Silicone Seal For 3.5 Inch For Blanco Plug Stainless Steel Strainer | eBay
Blanco 52 mm Silicone Seal for Strainer Basket 3.5 Inches Improved Version from Year of Manufacture 1996 Sink 117497 Improved Design - for Valve Basket, Strainer Basket, Plug, Sink Plug, Sink Plug :
DL-pro Seal Outer Diameter 42 mm / 35 mm for Strainer Basket Sealing Ring like Blanco 117498 Lip Seal for Drain Fitting Strainer Basket Sink : Amazon.co.uk: DIY & Tools
Why your kitchen sink might not be holding water | Taps UK BlogTaps UK Blog