Drain Cover 6” SQUARE 150mm Black Plastic Grate Gulley Grid Leaf Guard Gutter Square drain grille grid is 150mm x 150mm (6" x 6") square and will fit over a standard drain. Manufactured in the UK from durable plastic making the grids strong and long lasting. No tools or fixing required, simply place over the drain. Keep Drains Clear Of Leaves / Save Blocked Drains Square gulley grids / drain guards are the simple and easy way of keeping your drains clear of leaves and other garden debris throughout the year. No more unpleasant overflows or expensive blocked drains. The drain cover sits over any standard drain grill and allows water to flow freely while sieving out leaves, debris and other rubbish for easy disposal later. Simply position over your drain. No fixing required. Made from high quality black polyprolene plastic with downpipe knock-out section for connecting a downpipe directly into your underground drainage pipe. Standard 6" square - 150mm x 150mm. Depth 1cm - Approx The drain gille cover grids are a small price compared to the cost of clearing a blocked drain.