Access hatch, GRP, drinking water, Std 1000x1000, nested, 250 kg/m²
Double nested cover (outer hatch + inner hatch) - civil works opening 1000x1000 - overall 1300x1300, 350 mm thick - load 250 kg/m² Light grey GRP covers RAL 7047, R13 anti-slip - grey GRP L-frames - concealed 316L stainl