The SealGuard Bucket Pump holds up to 4 oz. and includes a hand-operated lever action system. These pumps generate pressure to operate an injection packer and will allow you to run the pump to the injection site through the injection line. Great for tough situations such as electricty or air pressure is unavailable. The Bucket Pumps are only effective with single-component polyurethanes such as SealGuard, XSeal or HyperFlex.