. 90mm x 25mm Water Seal Slim Shower Trap with 1½ Solvent Weld Outlet Features. Suitable for shower trays with a 90mm waste hole Overall height is only 53mm Fixed with Stainless Steel Clamping Ring & 3 securing screws for tight connection to the shower tray 25mm Water Seal Supplied with 1½ solvent weld socket Removable 110mm flange facilitates easy cleaning Flow rate 24 l/min when tested under a constant 15mm head of water in accordance with clause 5 of BS EN 274-2 2002..