Stainless steel pump body and Viton seal on bung adapter enable this pump to be more functional and ensure a lasting usage.  High-volume bellows to inflate into drum & Ideal for 55 gallon drum.  Ideal for Oils,  soluble, corrosive, volatile and aggressive chemicals, such as Esters, Ketones, Alcohols, Hydrocarbons.  Durable construction with one quick-connect fitting that connects the drum adapter.  Supply with the check valve to control the fluid to filling and air pressure steady.