H2O Warehouse - Water Purifiers and Filters

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Home Water Filters

Even the best municipal treatment plants cannot correct all problems.  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, a great tasting refreshment?

OMNIFilter® home water filters 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 water filter do you need?

We recommend that you install one of our high-flow home water filters where the line comes into the house; then we recommend you install one of our OMNI high-contaminant-removal filters in your kitchen (or bathroom) where you use it for cooking and drinking.

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

At OMNIFilter® Corporation, we deliver high quality home water filters at an affordable price. OMNIFilter® units are sold with the Do-It-Yourself-er in mind. Everything you need to install your filter is in the box.


At OMNIFilter, we make filtration products for your entire house:

“Point of Entry” Whole House
“Point of Use” Undersink Filter
“Point of Use” Faucet Mount/Countertop
“Point of Use” Refrigerator/Icemaker
“Point of Use” Cooler Filter

We also sell replacement cartridges for all of the omni purifiers. If you are unsure which filter is right for you, see below .

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

First, we recommend that you install a high-flow Whole House filter where the line comes into your house. This Whole House filter will reduce rust and sediment picked up from the pipes that deliver to your residence from your well or municipal system. This first cleaning will protect your appliances (hot waterheater, clothes washer, dishwasher, humidifier, toilets, showers, etc.) from the wear caused by rust and sediment. An OMNI Whole House filter will also remove much of the chlorine that can cause itchy skin and damage your clothing.

Select from our list of Whole House Water Filters

“Point of Use” (POU)

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

| Undersink
| Faucet Mount / Counter Top
| Refrigerator / Icemaker
| Coolers

Replacement Cartridges

To find a replacement cartridge for any OMNI filter, click here

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

Need Help Choosing an Undersink and Whole House Filter?

Click Here

Customer Service Department at 1-406-889-5288.



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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Rexford, MT  59930


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