The Master Plunger 1600 was designed for low flush/low volume 1.6 gallon toilets This unique tool has a powerful 8 cup water displacement to take care of the toughest clogs, fast MP1600’s extended funnel nose design ensures a 90 degree bend for a great seal on your standard and elongated toilets. Prevents slippage and splash back. Made in U.S.A with high quality material Master Plunger - the original bellows plunger, get the best most effective hand held unclogging tool Designed for a 1.6 Gallon toilet 83 cubic inch of displacement to clear clog Low flush and standard toilets Black Made in the U.S.A.