Ichi ndi chithunzi chofotokoza njira ya Reverse Osmosis. Kuponderezedwa kumagwiritsidwa ntchito pazitsulo zowonongeka, mamolekyu amadzi amakakamizika kupyolera mu membrane yowonongeka ndipo zowonongeka siziloledwa.
Reverse osmosis nembanemba ndiye amachotsa mamolekyu olemera kuposa madzi, monga sodium, wochuluka wa lead, mchere wosungunuka, ndi fluoride. Pomaliza, fyuluta ya post-carbon imapukuta madzi.