Single-stage filtration/adsorption system reduces particulates?? dirt?? rust?? chlorine and cysts</br>High-impact plastic construction with stainless steel fittings/hoses for increased durability</br>1/4 turn quick-change?? no-spill filter cartridge</br>NSF-compliant</br></br>Product Description</br></br>Invest in pure water by placing the Aquifer filtration system discreetly underneath your sink. This filter cartridge quickly twists in and out with a quarter turn?? making it easy to replace.</br><br/>http://www.amazon.com/gp/product/B000RP24JI