Mega-500-030-Rota-Spray-Water-Boost-Base-Unit-Mega-Electronics-500-030-P-Having-a-water-supply-with-good-pressure-connected-to-your-Rota-Spray-ensures-fast-efficient-spray-washing-of-your-PCBs-&-prevents-chemical-cross-contamination-P-P-When-local-water-pressure-is-low-the-500-030-Rota-Spray-Water-Boost-Base-Unit-should-be-considered-in-place-of-a-standard-Base-Unit-The-Water-Boost-Base-Unit-contains-a-reservoir-of-mains-water-&-a-submersible-pump-to-ensure-high-water-pressure-is-d