Phone:  (800) 955-0556  •  (770) 874-2608       Fax:  (770) 424-2464       sales@h2ofilterwarehouse.com
New Catalog 2019
Pentair Drinking Water Under Sink & Reverse Osmosis Systems
Well, Softener and Whole House Carbon Systems
Pentair Products
YTB Clear Full Flow Housings
Fleck Valves
New Products 2019
Luxury Drinking Water Faucets
Harmsco Pleated Sediment Cartridges
CA Ware Carbon Block Cartridges
Melt Blown Sediment Cartridges
Structural Poly Glass Tanks


Welcome to H2O Filter Warehouse

Welcome to H2O Filter Warehouse. We are the home of low prices and friendly service on many great brands of cartridges, housings, inline filters, reverse osmosis, uv systems, commercial filter housings and more.

We are a wholesale supplier serving water treatment dealers and distributors, institutional buyers, and OEM accounts. We do not sell retail or to end users.

Here are just a few of the many reasons why your business should choose us:

  • Customer Service We have knowledgeable and friendly staff members available between 9:00 AM & 5:30 PM (Eastern Time) who care about your business. If you are not getting all the service you deserve elsewhere, please give us a try. We work hard to earn your business.
  • U.S. Products We carry products from the major manufacturers that you and your customers know and trust.
  • Imported Products We have relationships with top quality manufacturers overseas. All of our imported items are sourced from Taiwan with the exception of Melt Blown Sediment cartridge which are produced in China. Imported products include filter housings, inline cartridges, faucets and reverse osmosis components.
  • Competitive Pricing Our customers find our pricing to be very attractive compared to other major distributors in the industry.
  • Fast Shipping Our fully-stocked warehouse and hard-working staff will do everything possible to get your order shipped out the same day.

Our Brands


Omnipure Pentek Structural Fleck
Sterilight UV Max John Guest SharkBite
Watts CA Ware Doulton Harmsco
Hydrotech CSM Dow General Electric
Aries® Filter Works ResinTech Everpure Shelco
H2O International Oasis HM Digital H2O Filter Warehouse
  Stenner Pumps Organic Filter Co.