... use with samle boats, island, yacht etc. PRODUCT CHARACTERISTICS:Technology: Reverse osmosis, Ultra-filtrationSalt Rejection: Average 98.5%Flow: 4 - 5 ... other piston press the part of seawater pass through the reverse osmosis, making output water efficient, continuous and stable; When the ... water flows from the inlet to outlet through external of reverse osmosis membrane in the body. At this time, the ...