Alemite Industrial Pumps can deliver hard to pump fluids and viscous lubricants up to NLGI #3. Built for continuous duty, these double acting pumps are consistent, reliable, and maintain pressure over long distances. FEATURES: 4 1⁄4” standard air motor (6” air motor for 7795-A, 7795-B5, 7736) 7784-A4 is specifically designed for heavy gear oil and lubricants up to NLGI #1 Tote tank pumps designed for horizontal mounting and space constraints Recommended for pumping distances over 100 feet 3⁄4” NPTF air inlet Includes: Air Connector Quick Detach Air Coupler Tote tank pumps include male 3” Cam Lock Adapter for mounting pump to bulk grease container Recommended accessories: Union (non-bulk models) (321155) Bung Adapter (326750-B1) Air Hose (317811-5)