For Your Health. For Your Home.
CulliganDIY gives you water filtration performances you can trust! Choosing CulliganDIY means cost savings and removing single use plastics from your home. Do It Yourself and see why generation after generation of satisfied customers entrust their water to CulliganDIY.
View Our Product GuideLooking for a fully installed solution?
With more than 600 North American locations to serve you, there’s always a Culligan expert close by.
Reverse Osmosis Systems
With easy installation, space-saving designs and smart features available, Culligan reverse osmosis systems provide the ultimate drinking water upgrade.
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Whole House Filtration
From tackling rotten egg smells to reducing rust stains, Culligan Water® systems provide a water upgrade throughout your home with innovative features.
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Well Water Filtration
From smart contaminant tracking to custom filters, Culligan has water filtration systems for well water that can target your unique issues and fulfill your home’s needs.
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Benefits of Culligan DIY
Make the water in your home fresher and better! Did you know that we offer a full line of water filtration products that you can install all on your own? Discover our under-sink Ultrafiltration, shower filters, whole house sediment filters, and more. From top to bottom, Culligan DIY has the solution to make your water the best it can be!
Use a whole house filter to keep your plumbing clean and preserve the life of appliances in your home.
Increase your level of hydration with filtered water straight from your faucet.
Get the best systems that filter contaminants in water flowing through your home.
What Issues Are You Having With Your Water?
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Replacement Filters
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