Omnipure

Omnipure is recognized worldwide as a premier manufacturer of cost-effective, high-quality inline water filters. 

How to Find The Filter You Need: On the filter body, filters are labeled with a model number. The model number's first letter(s) corresponds to one of the series listed below. The rest of the number is descriptive of its size, use, and contents. For instance, an Omnipure inline filter that is number CL10ROT33 is situated in the CL-Series. It’s a 10-inch filter for usage in an RO system and contains the T33 media.

• CL-Series: True and tried, the CL-series has not changed a lot since it was launched in 1970. The simplicity of the design delivers excellent performance in an affordable, compact package. CL-series filters are available in 2" diameter and 6" and 10" lengths.
• K-Series: The K series is built on the success of the CL series but with the addition of quick-connect fittings that can be installed in seconds. The K series is offered in 2" and 2.5" diameters and various lengths. 
• Q-Series: The market’s ultimate "user-friendly" inline filter. Replacement is as simple as unscrewing the filter body from the permanent head & screwing in the replacement. No hassles, No drips, No tools. The Q-Series is available in 2.5" diameter & various lengths.