Quick and easy to fit, with total protection against leaks, the Macdeee Wirquin Neo air trap is a must-have component when fitting your basin.Using an innovative system which replaces the older air admittance valve, this trap reduces the amount of noise and bad odours to zero.With washers always in place, thanks to bi-injection technology, it is guaranteed to be free from leaks.Featuring a simple 1/4 turn base, both installation and cleaning are quick and simple. Fits 32mm (1 & 1/4 inch) ABS and PP pipes.