The product is a set of NDS channel grates, featuring a width of 5 inches, a length of 2 feet, and a thickness of 1 inch. These grates are made of durable polyethylene and polycarbonate material in a vibrant green color. With the option to purchase individually these grates are perfect for use in showers, bathtubs, and other home gardening applications. these ones are harder to find than the stock and they're more expensive, but I got the deal for you. Pretty sure the originals run for 26 to 36 bucks piece.
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