The Altmans, Phylrich, and Sigma Cold Ceramic Cartridge (Part 18.30.029 / OLC4 CI) is a high-precision replacement valve designed to restore leak-free performance to high-end bathroom and kitchen faucets.
OLC4 CI 18.30.029
- It is used on a variety of Altmans branded faucets and is interchangeable with specific cartridges from Phylrich and Sigma, such as the Sigma 18.30.029 and Phylrich LC499CNL.
- 1/4-turn
- 2 5/8″ length
- 16 point broach

