Ideal for kitchen sink installations, the Macdee Wirquin Neo air trap waste comes complete with a washing machine connection.Replacing the traditional ventapipe air admittance valve, the cleverly designed air system helps prevent gurgling and bad smells.This innovative trap is also guaranteed to be leak-free, thanks to overmoulded washers which remain securely in place.Designed to fit 40mm (1 & 1/2 inch) ABS and PP pipes, a 1/4 turn captive nut ensures a secure installation, whilst the 1/4 turn base allows for easy cleaning.