H2O Warehouse - Water Purifiers and Filters

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Omni Filters                           Purchase an Omni Filter

  • Do you think your drinking water is safe and clean? 
  • Does your drinking water leave a bad taste in your mouth and in your food?
  • Does your water have a bad odor?

Even the best municipal water treatment plants cannot correct these problems 100%. Giardia and Cryptosporidium cannot be killed by chlorine added at municipal plants, and lead can leach into already-treated water from old pipes and faucets.

So what can you do to turn your drinking water into safe, healthy, great tasting water?                                 

OMNI Filter has the solutions for cleaner, safer, great tasting water on tap at a fraction of the cost of bottled water.

We offer water filtration products for your entire home!
What kind of
Omni water filter do you need?


We recommend that you install one of our high-flow Whole House purifier where the water comes into the house; then we recommend you install an OMNI high-contaminant-removal filter in your kitchen (or bathroom) where water is used for cooking and drinking.                             

| Whole House | Undersink | Faucet Mount | Refrigerator | Water Cooler |

At OMNI Filter Corporation, we deliver high quality residential water filtration at an affordable price. Our purifiers are sold with the Do-It-Yourself-er in mind. Everything you need to install your purifier is in the box.


We make water filtration products for your entire house.

We also sell replacement cartridges for all of our models. If you are unsure which filter is right for you, use our selection guide .

“Point of Entry” (POE) Whole House Water Filters

First, we recommend that you install a high-flow Whole House water filter where the water line comes into your home. This Whole House purifier will reduce rust and sediment picked up from the pipes that deliver water to your home from your well or municipal water system. This first cleaning of incoming water will protect your appliances (hot water heater, clothes washer, dishwasher, humidifier, toilets, showers, etc.) from the wear caused by rust and sediment in the water.

Select from our list of Omni Whole House Water Purifiers

“Point of Use” (POU) Water purifiers

Then we recommend you install a high-contaminant-removal purifier in your kitchen (or bathroom) where water is used for cooking and drinking. Called “Point of Use” models, these units remove contaminants and provide clean, safe, great tasting water on demand. Select from our:

| Undersink Purifiers
| Faucet Mount / Counter Top
| Refrigerator / Icemaker
| Water Cooler Purifiers

Replacement Cartridges

To find a replacement cartridge for any purifier, select from our:

Whole House replacement cartridges
Undersink replacement cartridges
Faucet Mount/Countertop replacement cartridges
Refrigerator/Icemaker replacement cartridges

How to Choose an Undersink and Whole House Water Filter

We recommend OMNIFilter Model U25 as your Whole House filtration system. If you have a large home or high water demands, we recommend OMNIFilter Model BF7.

How to Choose a Faucet Mount or Countertop Water Purifier
The "do-it-yourself" Undersink and Whole House water purifiers are designed for easy installation – clamping a saddle valve around your cold water supply line is all there is to installing your filter. However, if you do not want to tap into your cold water line or if you live in a rental unit and cannot tap into the pipes, a Faucet Mount or Countertop model is for you.

For a low-cost, entry-level purifier, the F1 Faucet Mount unit will give you great tasting water at the end of your tap. Plus, it takes only minutes to install.

How to Choose an OMNI Refrigerator/Icemaker Water Filter

The R200 or CCF1 Refrigerator/Icemaker filter will make your ice cubes taste great and take that chlorine taste and odor out of your cold drinks. The only difference in the three models is the way they attach to the 1/4" tubing behind your refrigerator. See each product page for details.

If you need help choosing the right model for your needs, or want additional information, please call our


Water filters & purifiers

Whole-house filtration
Under-sink water purifiers
Fridge/ice-maker filtration
Water cooler purifier
Choosing a water filter
Comparing water filters
Wrenches & O-rings
Water filter parts
Replacement cartridges
Reasons to filter water
Other water information
FAQ's - water treatment
Installation Information


Call our order line: 1-406-889-5288 or send an e-mail: info@h2owarehouse.com

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