

Culligan D-40A Under Sink Water Filter Replacement, Superior Filtration
Key item features
- Universal Compatibility: Easily fits inside the Culligan Filtration System US-600A and is compatible with most other under sink filtration systems.
- Lead and Microplastics Reduction: Reduces lead and microplastics for healthier water and improved taste.
- Improved Taste and Odor: Reduces contaminants like chlorine for better tasting and smelling water.
- Premium Quality Filtration: Activated carbon filter tested and certified by IAMPO to reduce lead, microplastics, chlorine, asbestos, atrazine, mercury, and turbidity.
- Long-lasting Performance: Lasts up to 6 months or 600 gallons with a flow rate of 0.6 gallons per minute.
- Easy Installation: Comes with step-by-step instructions for a hassle-free setup under your sink.
- Cost-effective Solution: Helps save on water bills by reducing the need for single-use plastic water bottles.
Specs
- Filtration stages1
- FeaturesAdjustable
- Height9.75 in
- Items includedD-40A cartridge
- Has written warrantyNo
- Rec. useResidential
Reviews summary
- : Offers affordable options.
- : Can be straightforward, but may require additional parts.
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About this item
Product details
- Universal fit: Easily fits inside the Culligan Filtration System US-600A, and is compatible with most other under sink filtration systems.
- Reduces lead and microplastics: Culligan D-40A Under Sink Filter Replacement reduces lead and microplastics for water that’s better for you and your taste bud
- Removes bad taste and odor: This under sink water filter reduces contaminants, overall, like chlorine, for improved taste and odor.
- Premium quality: This activated carbon filter is tested and certified by IAMPO to reduce lead, microplastics, chlorine, asbestos, atrazine, mercury, and turbidity.
- Fast and reliable flow rate: This water filter replacement lasts up to 6 months or 600 gallons with a flow rate of 0.6 gallon per minute.
Specifications
Under-sink & countertop filtration system type
Filtration stages
Brand
Features
Warranty
Warranty information
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Warnings
Warning Text
State Chemical Disclosure
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| Filtration stages | 1Culligan D-40A Under Sink Water Filter Replacement, Superior Filtration | -Waterdrop WD-RF15-UF Water Filter, Replacement 15UA-UF Under Sink Water Filtration System, 0.01 Micron, 16000 Gallons High Capacity | -Waterdrop RF10W-UF 0.01 Micron Water Filter, NSF/ANSI 42 Certified, 8K Gallons High Capacity, Replacement for Waterdrop Under Sink Water Filtration System, White | 1Under Sink Water Filter Install Kit, Complete Filtration System for Kitchen and Bathroom Faucets | -Replacement Pads - TEN PACK - For Mechanical Leak Detectors/Water Stop Valves - For Under Sink Reverse Osmosis and Water Filtration Systems (18mm) | 3Vortopt Q5-UF 0.01 Micron Ultrafiltration 19K Gallons Under Sink Water Filtration System With Faucet - 24 Months Filter Life, Reduces Chlorine, Bad Taste & Odor | 1A. O. Smith Basic Main Faucet Under Sink Replacement Filter for AO-MF System |
|---|---|---|---|---|---|---|---|
| Features | AdjustableCulligan D-40A Under Sink Water Filter Replacement, Superior Filtration | Twist And Lock DesignWaterdrop WD-RF15-UF Water Filter, Replacement 15UA-UF Under Sink Water Filtration System, 0.01 Micron, 16000 Gallons High Capacity | Twist And Lock DesignWaterdrop RF10W-UF 0.01 Micron Water Filter, NSF/ANSI 42 Certified, 8K Gallons High Capacity, Replacement for Waterdrop Under Sink Water Filtration System, White | -Under Sink Water Filter Install Kit, Complete Filtration System for Kitchen and Bathroom Faucets | Easy InstallationReplacement Pads - TEN PACK - For Mechanical Leak Detectors/Water Stop Valves - For Under Sink Reverse Osmosis and Water Filtration Systems (18mm) | Twist And Lock DesignVortopt Q5-UF 0.01 Micron Ultrafiltration 19K Gallons Under Sink Water Filtration System With Faucet - 24 Months Filter Life, Reduces Chlorine, Bad Taste & Odor | -A. O. Smith Basic Main Faucet Under Sink Replacement Filter for AO-MF System |
| Height | 9.75 inCulligan D-40A Under Sink Water Filter Replacement, Superior Filtration | 15.59 inWaterdrop WD-RF15-UF Water Filter, Replacement 15UA-UF Under Sink Water Filtration System, 0.01 Micron, 16000 Gallons High Capacity | 11.1 inWaterdrop RF10W-UF 0.01 Micron Water Filter, NSF/ANSI 42 Certified, 8K Gallons High Capacity, Replacement for Waterdrop Under Sink Water Filtration System, White | 2"Under Sink Water Filter Install Kit, Complete Filtration System for Kitchen and Bathroom Faucets | -Replacement Pads - TEN PACK - For Mechanical Leak Detectors/Water Stop Valves - For Under Sink Reverse Osmosis and Water Filtration Systems (18mm) | 5.4 inVortopt Q5-UF 0.01 Micron Ultrafiltration 19K Gallons Under Sink Water Filtration System With Faucet - 24 Months Filter Life, Reduces Chlorine, Bad Taste & Odor | 14.5 inA. O. Smith Basic Main Faucet Under Sink Replacement Filter for AO-MF System |
| Items included | D-40A cartridgeCulligan D-40A Under Sink Water Filter Replacement, Superior Filtration | Water FilterWaterdrop WD-RF15-UF Water Filter, Replacement 15UA-UF Under Sink Water Filtration System, 0.01 Micron, 16000 Gallons High Capacity | -Waterdrop RF10W-UF 0.01 Micron Water Filter, NSF/ANSI 42 Certified, 8K Gallons High Capacity, Replacement for Waterdrop Under Sink Water Filtration System, White | -Under Sink Water Filter Install Kit, Complete Filtration System for Kitchen and Bathroom Faucets | Replacement PadsReplacement Pads - TEN PACK - For Mechanical Leak Detectors/Water Stop Valves - For Under Sink Reverse Osmosis and Water Filtration Systems (18mm) | -Vortopt Q5-UF 0.01 Micron Ultrafiltration 19K Gallons Under Sink Water Filtration System With Faucet - 24 Months Filter Life, Reduces Chlorine, Bad Taste & Odor | Replacement FilterA. O. Smith Basic Main Faucet Under Sink Replacement Filter for AO-MF System |
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Customer ratings & reviews
Reviews summary
- : Offers affordable options.
- : Can be straightforward, but may require additional parts.
Showing 1-3 of 19 reviews
Verified Purchase
Great quality and price for pure water!
I have a two stage under-sink generic (standard 2" x 10" filter cartridge) filter for drinking and cooking. I've been using the Culligan D40A for years as my second stage. My water is better quality than any bottled water in taste and measurements of impurities which has convinced many friends and family members to install a filtering system. What blew me away was the price for this filter cartridge; unbeatable! The 600 gallon usage is also great and I've installed a small water meter to keep tabs on it. I highly recommend this product.
Verified Purchase
Great filter, great price
I've used this filter many times. The water taste great. The filter is easy to change and very little time is needed. What I like the best about this purchase is the price. This is a great price for the filter.
Verified Purchase
One of the better choices for undersink filters. More cost effective than other high quality filters. You have to spend quite a bit more to get only very marginal improvement over these.
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