CULLIGAN Water Filter Cartridge: 5 micron Micron Rating, 1,000 gal Service Life - Gallons
The CULLIGAN Water Filter Cartridge (SKU 29AH63, MPN D-20A) is a 5-micron under-sink water filter cartridge that uses carbon filter media to reduce chlorine. It has a service life of 1,000 gallons.
SKU 3G-OTH-442282
Need installation or engineering help?
Ask a question
Product Description
The CULLIGAN Water Filter Cartridge (SKU 29AH63, MPN D-20A) is a 5-micron under-sink water filter cartridge that uses carbon filter media to reduce chlorine. It has a service life of 1,000 gallons.
Frequently Asked Questions
What is the CULLIGAN D-20A water filter cartridge used for?
The CULLIGAN D-20A is a 5-micron under-sink water filter cartridge that reduces chlorine from drinking water. It uses carbon filter media to improve taste and odor, making it suitable for residential point-of-use filtration systems.
What are the specifications of the CULLIGAN D-20A water filter cartridge?
The CULLIGAN D-20A cartridge features a 5-micron rating, carbon filter media, and reduces chlorine. It has a service life of 1,000 gallons. The manufacturer part number is D-20A, and it is designed for under-sink water filter systems.
Where to buy the CULLIGAN D-20A water filter cartridge worldwide?
3G Electric supplies the CULLIGAN D-20A water filter cartridge worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to install the CULLIGAN D-20A water filter cartridge?
To install the CULLIGAN D-20A cartridge, first shut off water supply and depressurize the system. Remove the old cartridge, insert the new one, and tighten the housing. Flush the system for 5 minutes before use. Always follow the manufacturer's instructions for your specific filter housing.
Used in
Common applications for CULLIGANCULLIGAN Products
3G Electric supplies CULLIGAN under the sink water filters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.













