The Lola square shower waste with square cut outs measures 110 x 110 mm and has a removable stainless steel grating for easy cleaning of the unit. The drainage rate of this shower is measured at 35 litres per minute in a controlled environment. Please note to allow for correct fall of the shower floor of 2 -3° toward the drain for appropriate drainage. Apply appropriate waterproofing around the base of the shower and drain for best performance.