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4-Stage, 36 GPD Reverse Osmosis Replacement Cartridge Kit with Pentair Membrane

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ROK-4M-36BET includes the following standard size replacement cartridges for a 4-Stage, 36 GPD Reverse Osmosis System like the one shown below. All cartridges in this kit are NSF Certified.

Pentair is the largest brand in the water industry with rejection rates that are close to Filmtec.