Magic Trap™ fitting is a 1-1/2 in tubular polypropylene fitting. The Magic Trap™ fitting replaces any standard 1-1/2 in tubular trap. The Micro size Magic Vent® AAV screws directly onto the tee connection of the Magic Trap™ fitting. It automatically places the Magic Vent at the required 4 in height above the drain pipe to which it is connected. The installation time for the vent system is approximately 25 secs.