Dimensions 1000mm L x 94mm Invert x 120mm Depth Description Dek-Drain from Deks Industries, the manufactures of world famous Dektite flashings, are now distributing a high quality, cost effecive A15 channel drainage system. All A15 peHD channel drainage is available for next day delivery from our UK distribution warehouse.   Available in Plastic, Galvanised and Stainless Steel grates Easy to install with click grating - No screws Lightweight easy to carry Complies with and manufactured to BS EN 1433 Super flow rate with anti-silt performance from peHD material Designed to enhance strength and eliminate damage Ribbed structure for excellent bonding to concrete and enhanced strength!