The Omnipure K2333-KK Inline Carbon Filter comes with 3/8-inch quick connect fittings and is easy to use and install. This filter is an ideal choice for ice makers, refrigerators and as a post filter for reverse osmosis systems. Do you want better tasting water and ice? The K2333-KK reduces chlorine taste and odor to provide you with better drinking water, pure and simple.
Frequently Asked Questions
What is the Omnipure K2333-KK inline filter and what does it do?
The Omnipure K2333-KK is a granular activated carbon (GAC) inline filter manufactured by Omnipure Filter Company. It is specifically designed for polishing and taste/odor reduction in applications such as refrigerators, ice makers, reverse osmosis systems, and drinking water lines. The K2333-KK uses high-quality coconut shell carbon to reduce chlorine taste, odors, and other aesthetic impurities, providing cleaner, better-tasting water and ice.
What is the micron rating and filtration capacity of the Omnipure K2333-KK?
The Omnipure K2333-KK features a nominal micron rating suited for polishing applications and has a rated capacity of approximately 1,500 gallons. For best performance, it is recommended to replace the K2333-KK every 6 to 12 months, depending on your water usage and incoming water quality. Replacing it on schedule ensures consistent flow and optimal chlorine and odor reduction.
What are the fittings and flow rate specifications of the K2333-KK?
The Omnipure K2333-KK comes equipped with 1/4″ quick-connect (QC) push-in fittings on both ends, making it easy to install in standard 1/4″ water lines without the need for additional adapters. It has a recommended flow rate of 0.5 GPM (gallons per minute) and operates within a pressure range of 10–125 psi and temperature range of 40–100°F, making it ideal for cold water post-filtration applications.
Is the Omnipure K2333-KK NSF certified?
Omnipure manufactures the K2333-KK in a facility that follows NSF/ANSI Standard 42 guidelines for materials and structural integrity for chlorine taste and odor reduction. Omnipure is a well-established U.S.-based manufacturer known for producing filters that meet strict quality standards for drinking water polishing applications.
Where is the best place to install the Omnipure K2333-KK inline filter?
The K2333-KK is most commonly installed as a post-filter or polishing filter on the output side of a reverse osmosis system, on the water line leading to a refrigerator or ice maker, or as an inline filter under the sink. Its compact size and 1/4″ QC fittings make it easy to install in tight spaces. After installation, flush 2–3 gallons of water through the filter to remove carbon fines before regular use.








