Membranes
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Revtex 1:1 membrane for Green Machine and GRO 5 stage RO system
$74.00Replacement membrane for the Green Machine and GRO high recovery RO systems. This 50 gpd membrane is the 1:1 ratio made for these RO systems. Membrane should be changed every 2 years on these systems.MB-revtex-50$74.00