90mm x 50mm Water Seal Shower Trap with 1½" (1.1/2") Multifit Outlet High-Flow High-Performance Trap with removable 113mm Chrome Plated Brass Flange Size: 90mm Water Seal: 50mm Flange Style: Chrome Plated Brass Flange Size: 113mm Standard: EN 274-1:2002 Height: 85mm Please Note: Removable Flange facilitates easy cleaning. All McAlpine Shower Traps with top access surpass the minimum required flow rate of 24 litres per minute when tested in accordance with clause 5 of BS EN 274-2:2002