RELN 210031 Storm Drain Pro Series 6 in. x 40 in. Hidden Channel Drainage System with Stainless Steel Removable TraysThe worlds first Hidden Channel Drain system. Its discreet design is nearly invisible when installed, providing proper drainage without any unsightly grates or wide trenches. Innovative highly durable metal insert trays accommodate paver stones and other hardscape materials. Trays are removable for ease of cleaning. An ideal drainage system to manage and control storm runoff water and eliminate risk of property damage.