Whether you need to remove water from sprinklers and valve boxes or other areas or devices, UltraMax Series Pumps from Underhill International are the ideal tools for the job with huge capacities and the smoothest pumps you will ever use as well. Features include unique plunger seal and O-ring wiper seal, and the ability to completely disassemble and clean for longer life. Replacement seals, O-ring kits, and bottom valves all available. Gulp mudguard fits both Big Gulp UltraMax models with 36 and 72-inch discharge tubes.

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