1.Outdoor drain cover,Metal drain covers,Water drain cover 2.Ductile ... 4.Use for floor 5.Easy to clean Product description: Outdoor drain cover,Metal drain covers,Water drain covermade of Ductile ... manhole cover and frame conforming to en124 standard,Gully,Trench Grate and grid etc,made of Gray iron GG20 and ductile ... 319 8895588Mobile:+86 15130998744 250*250,300*300,400*400 outdoor drain cover