This is a [ AnyLikely ] Brand Foot-operated Water Pump.
Foot-operated Self-Priming Water Pump for Mobile, Van camping sink, Galley, RVs, dishwashing, outdoor water pumping & Wash Basin RV Toilet Yacht Bilge
Foot Water Pump Size 5" (L) x 2-7/8" (H) x 4" (W).
Its compact design makes it easy to install in confined locations.
Foot Operated Pump connected by 1/2 Inch Flexible Hose , provide a max flow rate of 2.2GPM .
Nylong Foot Pump Base , High Quality meet Fresh & Sea Water Rubber ( It is better for Fresh Water ) , SS316 Clamps .