flat-roof drain DN75/110 horizontal with insulated drain body, bitumen membrane d 500 mm for perfect and easy lap-joint waterproofing with bituminous membranes, self-regulating heating element 10 - 30 W / 230 V), cut-to-size grate frame 12 - 65 mm / 148 x 148 mm and stainless steel grate 137 x 137 mm. Comes with lot cover.