Bison Pumps offers shallow and deep well hand pumps which work alongside most electric pumps. Made from potable water approved (NSF61) materials, they can reach depths of 300′ with (4) cylinder sizes ranging from 1 1/2″ – 3″. Bison Pumps may be used to pressurize tanks or to pump uphill. All our hand pumps come with a lifetime warranty against manufacturer’s defects. Available to you is a large dealer network in the United States and others across the globe.