The K-Series K2540 filter is a coconut GAC carbon inline filter. It comes in 1/4" 90 Degree FQC that make it really easy to install and replace. 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 K-Series K2540 filter is a coconut GAC carbon inline filter. It comes in 1/4" 90 Degree FQC that make it really easy to install and replace. 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.