Pentair Water Residential Membranes use an industry leading state-of-the-art TLC (Thin Layer Composite) membrane providing high quality water for a broad range of water chemistries. Each membrane is required to meet our factory’s strict performance requirements prior to shipment. Pentair's elements are a fully compatible replacement for most brands of residential RO Membranes. Today they are widely used in most popular brands of RO in India. They can easily be used in most popular brands models like Kent's Pride, Grand, Elite etc. Eureka Forbes's Nano, Spring Fresh, UV+RO etc.