Rebound Products, Inc. (RPI) is a manufacturer of High Quality, Low Cost replacement parts for Air Operated Double Diaphragm pumps. RPI supplies PTFE diaphragms, Rubber Diaphragms, balls, seats, and gaskets of various materials, o-rings, and 3M (trademark) mufflers for pumps made by Wilden, Warren Rupp, Versa-matic and YAMADA. Our products fit and cost less than the OEM supplied parts. We can supply any part from any pump and offer it at or below OEM list price. We carry most of these items in stock in Houston, TX.