Simpsons ST000S800 Square Shower Tray Simpsons ST000S800 Square Shower Tray - 800 x 800mm Specification Low Profile - 58mm High High Quality Acrylic Complementary design Easy clean surface Brilliant white finish High Flow Waste Lifetime Guarantee Tray Specification High Flow Waste Simpsons shower trays must only be used in conjunction with the Simpsons High Flow Waste.