flat-roof drain DN75 vertical 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 19 - 65 mm / 147 x 147 mm and stainless steel grate 137 x 137 mm. Comes with lot cover.