Reln Stormwater Pit Grate Aluminium 10mm Gaps 250 x 250mm Silver SKU: 160032 MODEL: R1126 Error. try again later You've successfully joined the club $ 34 .62 each Mitre 10 MAvailable at Mitre 10 MEGA stores. Variants Aluminium grate to suit the popular domestic 250 x 250 rain water pit. Used for junction box, under downpipes and end of drainage channel.Use with 250 pit box, 250mm riser and leaf guard capacity is 10.5 litres. Features and benefits Compatible with 250 x 250mm pit box. Light and easy to install. Quick and easy to install.