Trap - Reseal, S-trap, 40mmx40mm, Flexible, BlackTrap Reseal, S trap, 40mm x 40mm, Flexible, Black is a flexible plumbing trap designed to maintain a reliable water seal and effectively prevent drain odors. Its reseal feature restores the barrier after siphoning, while the flexible black construction allows for easy alignment and installation with 40mm pipes. Ideal for use under sinks or basins in residential and commercial plumbing systems, especially where space or alignment is a concern.