Large selection of replacement water filters, reverse osmosis membranes, testing kits and water filter system repair parts. From one water filter or membrane to case quantity discounts.


99.5% Of All Items In Stock For Same Day Shipping!

Connector & Tube Sizing

See Information About Connector & Tube Sizing

Be sure you order the correct size connectors and tube for your drinking water system

Omnipure 1/4" FNPT Water Filter ConnectorOmnipure 1/4" Quick Connect Water Filter ConnectorOmnipure 3/8" FNPT Water Filter ConnectorOmnipure 3/8" Quick Connect Water Filter Connector

Be sure to check our Parts Department for important parts such as TDS Testers For Reverse Osmosis Membranes, Replacement Tanks, O-rings , Filter Housing Wrenches, Faucets, Pumps, Fittings, UV Systems and more parts for your reverse osmosis pure water filtration system.   View maintenance and servicing tips online at our Installation & Trouble shooting Guide.