Cart Remove item Thumbnail image Product Price Quantity Subtotal 7105013 O-Ring (Set of 4) $12.00 7105013 O-Ring (Set of 4) quantity $24.00 Silicone Lubricant for O-rings - 6 grams $2.89 Silicone Lubricant for O-rings - 6 grams quantity $5.78 7333137 - Check Valve Kit for RO $10.95 7333137 - Check Valve Kit for RO quantity $21.90 7113016 Brine Tubing with Retainer $22.00 7113016 Brine Tubing with Retainer quantity $44.00 7333179 - RO Diaphragm Kit $35.95 7333179 - RO Diaphragm Kit quantity $71.90 0501228 - Flow Plug $7.45 0501228 - Flow Plug quantity $14.90 7296521 - Northstar Reverse Osmosis Manifold $209.00 7296521 - Northstar Reverse Osmosis Manifold quantity $418.00 Coupon: Apply coupon Update cart Cart totals Subtotal $600.48 Shipping Shipping costs are calculated during checkout. Total $600.48 Proceed to checkout