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The Hydronix Membrane Housing & Cap assembly is a direct replacement for all RO4 and RO5 Series RO Systems. The housing is threaded female 1/8" NPT for the "IN", Brine "OUT", and Permeate "OUT" connections.
If the items in your order qualify for 'Free Shipping' and total $75.00 or more, your order ships FREE* and is applied to your cart at checkout! Order under this amount will be charged flat rate shipping of $14.95.
Learn more about our shipping policy to Alaska, Hawaii, and International shipping here.
*Free shipping to the Contiguous United States. (Lower 48 states only. Does not include Alaska or Hawaii.)
Since 1999, QualityWaterForLess.com has been shipping the best in water treatment equipment. We sell only the finest, professional-grade products to our customers, and all well below retail pricing.
