For home drinking water treatment, nobody beats PureT reverse osmosis (RO) membranes. Our advanced technology produces the industry’s most reliable elements, delivering consistently excellent results every time. We manufacture each element to customers’ exact specifications with precise automation for superior quality and unparalleled accuracy. PureT customers depend on our proven record for impeccable quality, and trust us with their products, their business, and their reputation for providing the finest low-impurity drinking water available. PureT RO membrane cartridges are fully compatible replacements for other residential RO elements, and are shipped dry for longevity and convenience. Specifications:Dimensions: 1.8" Diameter x 12" LengthWeight: 15 ozFits most conventional unitsMembrane Life: 2-5 yearsOperating Pressure: 40 psi to 145 psiOperating Temperature: 40-100 F