http://www.waterfilters.net/RS-23-SED5-Reverse-Osmosis-Pre-Filter.html<br />The Culligan Compatible RS-23-SED5 is a 5 micron sediment filter used in Culligan AquaCleer Reverse Osmosis Systems like the AC15, AC30, LC50, H-5, H-53, H-83, H-83S-R, H30S-R, H-30PRV-C. It is a basic 5 micron polypropylene sediment filter designed to protect the membrane from sediment buildup. The RS-23-SED5 is also known by the following part #'s: Culligan 00-0001-20 Particle Filter Element, Culligan 00-4015-38 Particle Filter Element, Culligan 00-4412-75 Particle Filter Element, Culligan 01-4015-38 Particle Filter Element, Culligan 00000120 Particle Filter Element, Culligan 00401538 Particle Filter Element, Culligan 00441275 Particle Filter Element
