The Omnipure K-Series K2533 filter is a coconut GAC carbon inline filter. This filter can be used as a post r.o. filter. It 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 also aids in the removal of taste, odor and chlorine taste and odor. Additional Details ------------------------------ Product description: The Omnipure K-Series K2533 filter is a coconut GAC carbon inline filter. This filter can be used as a post r.o. filter. It 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 also aids in the removal of taste, odor and chlorine taste and odor.