PlumbMaster Approved GD1035 3-1/2" Green Drain ABS Waterless Trap Seal

The PlumbMaster Approved 3-1/2" Green Drain ABS Waterless Trap Seal (GD1035) is a trap vents & repairs product. One way valve creates seal to eliminate floor drain odor issues. No more gases from floor drains. Prevents and blocks bugs from crawling up through floor drains. Manufactured by PlumbMaster Approved for residential and commercial plumbing repair and maintenance applications.