Description ANSI/NSF Standard 61 approved - assures safe, clean drinking waterBlended butyl rubber diaphragm system - isolates the air charge from the water chamber and provides long tank lifeHeavy-duty steel construction - 16 gauge cold rolled steel with appliance-quality paintSteel clench ring protects diaphragm from rubbing against tank wall - eliminates abrasion and reduces condensationBrass air valve with O-ring seal - allows adjustment of air pre-charge
Red Lion 21 Gallon Vertical Precharged Well Tank
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