The Omnipure K-Series K5620-BB inline filter is a 1 micron carbon block inline filter. This filter has 1/4 FPT fittings. This can be used as a post R.O. filter. This filter can also be used in ice makers, refrigerators, beverage equipment, drinking fountains, under the counter systems, R.O.Systems and in conjunction with purification systems. This filter aids in the removal of sediment, taste, odor and chlorine. Additional Details ------------------------------ Product description: The Omnipure K-Series K5620-BB inline filter is a 1 micron carbon block inline filter. This filter has 1/4 FPT fittings. This can be used as a post R.O. filter. This filter can also be used in ice makers, refrigerators, beverage equipment, drinking fountains, under the counter systems, R.O.Systems and in conjunction with purification systems. This filter aids in the removal of sediment, taste, odor and chlorine.