Check the listing for details. Upgrade your RO Reverse Osmosis with re-mineralization inline filter. Condition: New. Listed at 28.99 USD. Upgrade your Reverse Osmosis System: add extra stage to your Reverse Osmosis (RO) Water Purification Systems Minerals filter. OVERVIEW: Content 4 different media: mineral stone, biocerarmic balls, negative ion balls, mineralized balls. Release soluble essential minerals back into water such Calcium, Magnesium, Sodium, K, P, Zn, Se, Mn, Sr, etc. Release soluble essential minerals back into water such Calcium, Magnesium, Sodium, K, P, Zn, etc.Restore mineral balance after Reverse Osmosis filtrationIncrease amount of dissolved oxygenhas some antibacteria capacityuse as last stage filter in RO systems. Fit 1/4" od RO tubing. Set includes: 1 of Minerals inline filter 2 of 1/4" thread x 1/4"" tubing elbow fitting (with Quick Connect). 2 of small/small clips 2 pcs of RO tubing. This filter cartridge does not cure or pretend to cure any diseases. Free shipping within USA. Returns/Exchange: If defected within 10 days. Warranty: Warranty: 30 days. Shipping: We ship within 1 business day via USPS Priority Mail. Shipping (International): We ship RO Purification System within 2-3 business days via USPS International First Class Mail service.