Perforated Drain Mat Key Features4' x 50' (50 lbs each)Creates open-air space voids that allows urine and other liquids to be washed down through the turf and infillThickness (ASTM D-4716) 0.40 inchFlow (ASTM D-4716) 21 gallons per minute per foot widthMade in the USA Listing Back To Top Design Visualizer Previous Next Downloads Product Info About Media Specs Specs Add to Project+ Favorite User Feedback Company Resources Back to top Videos Smart Turf with Microban Photos Gallery Brochures Artificial Grass Guide Installation Process Installation Supplies Smart Pet Plus Turf 15 Year Warranty