Eliminating the need for a mortar bed, the Evo Marblelite™ shower base is self-supporting and comes with an anti-skid surface and dome covered waste as standard. 60mm high step including 6mm leak control flange. Choose from 2 or 3 sided, 17mm tile flange. Fully integrated waste with 50mm male thread, plus white dome cover. 1220 X 900 WHITE REAR OUTLET ANTI-SKID