Reverse Osmosis Storage Tank 4 Gallon

Reverse Osmosis Holding Tank 4.0 Gal. PRO4000W Durable polypropylene tank which will never rust or dent under your sink. Made from FDA listed, food grade materials. Specially designed for residential RO application. No metal-to-water contact.



Reverse Osmosis Storage Tank.
4 Gal. tank – ¼” SS Nipple, 3.2 Gal. holding capacity. Size: 11″ Dia. X 14″ Ht.


NSF listed materials.
Pressure tested to 300 psi.
Proven diaphragm design – Built to last.
Durable steel shell.
Rugged protective finish available in Blue, Black, and White.
Pre-charged at 5-7 psi.
Each tank individually tested.
Can be installed horizontally.


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