. The Wirquin Neo is a range of basin and sink traps boasting a zero-leak bottle trap. The Wirquin Neo Air system function is an innovative option that replaces the traditional ventapipe air admittance valve preventing noisy gurgling and bad smells. Thanks to bi-injection technology all washers are over-moulded onto the body so there can be no loss of washers giving total protection against leaks. Each bottle trap is designed to be quick and easy to fit thanks to the \'quick safe\' function a ¼ turn captive nut that ensures a quick and reliable installation and easy to clean with a simple ¼ turn base. Features . Depth of seal 80mmFlow Rate (Under 15mm of water) 55.2/minHeight 175);235mmNo risk of leaksInnovative Air system functionQuick safe function. .