The Omnipure K-Series K5520 inline filter is a 1 micron carbon block inline filter. This filter has 1/4 FPT fittings. This can also be used as a post r.o. filter. This filter can 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 is made to reduce sediment, taste, odor and chlorine. Additional Details ------------------------------ Product description: The Omnipure K-Series K5520 inline filter is a 1 micron carbon block inline filter. This filter has 1/4 FPT fittings. This can also be used as a post r.o. filter. This filter can 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 is made to reduce sediment, taste, odor and chlorine.