Culligan Do-It-Yourself Water Filtration Solutions.

We offer a full line of water filtration solutions to make your water the best it can be – and you can install it all on your own! From under-sink Ultrafiltration, shower filters, to whole house sediment filters.

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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.

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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!

Preserve Water-Using Appliances

Use a whole house filter to keep your plumbing clean and preserve the life of appliances in your home.

Drink Safer Water

Reduce health risks by drinking filtered water every day.

Hydrate Better With Cleaner Water

Increase your level of hydration with filtered water straight from your faucet.

Advanced Tech

Get the best systems that filter contaminants in water flowing through your home.

Replacement Filters

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R50-BBSA Pleated Heavy-Duty Poly Sediment Replacement CartridgeR50-BBSA Pleated Heavy-Duty Poly Sediment Replacement Cartridge
R50-BBSA Pleated Heavy-Duty Poly Sediment Replacement Cartridge
Sale price$12.99
CW-F 10-Micron Cord Wound Sediment Replacement CartridgeCW-F 10-Micron Cord Wound Sediment Replacement Cartridge
CW-F 10-Micron Cord Wound Sediment Replacement Cartridge
Sale price$11.99
S1A 20-Micron Pleated Sediment Replacement CartridgeS1A 20-Micron Pleated Sediment Replacement Cartridge
S1A 20-Micron Pleated Sediment Replacement Cartridge
Sale price$9.99
P5 5-Micron Spun Poly Sediment Replacement CartridgeP5 5-Micron Spun Poly Sediment Replacement Cartridge
P5 5-Micron Spun Poly Sediment Replacement Cartridge
Sale price$12.99
CP5-BBS 5 Micron Heavy Duty Pleated Sediment Replacement CartridgeCP5-BBS 5 Micron Heavy Duty Pleated Sediment Replacement Cartridge
CP5-BBS 5 Micron Heavy Duty Pleated Sediment Replacement Cartridge
Sale price$15.99
RFC-BBSA Heavy Duty Radial Flow Carbon Replacement CartridgeRFC-BBSA Heavy Duty Radial Flow Carbon Replacement Cartridge
RFC-BBSA Heavy Duty Radial Flow Carbon Replacement Cartridge
Sale price$29.99
D-20A Granular Activated Carbon Replacement Cartridge - Basic FiltrationD-20A Granular Activated Carbon Replacement Cartridge - Basic Filtration
D-20A Granular Activated Carbon Replacement Cartridge - Basic Filtration
Sale price$11.99
RC-EZ-4 EZ-Change Replacement Cartridge - Premium FiltrationRC-EZ-4 EZ-Change Replacement Cartridge - Premium Filtration
RC-EZ-4 EZ-Change Replacement Cartridge - Premium Filtration
Sale price$49.99
D-40A Carbon Block Replacement Cartridge - Premium FiltrationD-40A Carbon Block Replacement Cartridge - Premium Filtration
D-40A Carbon Block Replacement Cartridge - Premium Filtration
Sale price$47.99
IC-100A In-Line Ice Maker / Refrigerator Dispenser FilterIC-100A In-Line Ice Maker / Refrigerator Dispenser Filter
IC-100A In-Line Ice Maker / Refrigerator Dispenser Filter
Sale price$11.99
RC-EZ-3 EZ-Change Replacement Cartridge - Advanced FiltrationRC-EZ-3 EZ-Change Replacement Cartridge - Advanced Filtration
RC-EZ-3 EZ-Change Replacement Cartridge - Advanced Filtration
Sale price$24.99
US-3UF-R Ultra Filtration Replacement Cartridge Cassette for US-3UFUS-3UF-R Ultra Filtration Replacement Cartridge Cassette for US-3UF
US-3UF-R Ultra Filtration Replacement Cartridge Cassette for US-3UF
Sale price$69.99

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