To provide a better seal and improve wear resistance, Double E’s Type MT Oil Saver has the largest rubber on the market. The large rubber also eliminates the need for a tandem stripper. Designed for easy use, Double E’s Type MT features identical top and bottom brass bushings, a snap ring for simplified assembly, a large inside diameter for passing a 2 inch swab, and a heavy spring for fast pressure release. The Type MT Oil Saver weighs 47 pounds and is 15-1/2 inches high. It is available in thread sizes of 2-7/8 inch EU and 2-7/8 or 3-1/2 inch (OD) LP.