The REIN 4-Stage Quick Change Reverse Osmosis Water Filter System by IPW Industries Inc. produces 50 gallons of drinking water per day. The system features the innovative twist and lock filter change design, meaning no messy sump removal, ensuring maintenance is quick and easy. The REIN includes a GAC pre-filter (Stage 1), sediment pre-filter (Stage 2), Reverse Osmosis membrane (Stage 3), and a carbon block post-filter (Stage 4). REIN reverse osmosis water filter systems are built for performance and priced for value. Distinctive style, ease of installation, ease of maintenance, and ease of use were in mind throughout the entire manufacturing process. The system includes a sleek designer air gap faucet in chrome color. Sediment and carbon filter changes are recommended every six months, depending on use and water quality. The reverse osmosis membrane lasts for up to three years, depending on use and water quality. Modern Design Faucet Our REIN faucet is included with your 4-stage system. Features include: Stunning chrome finish Adjustable swivel spout Smooth, quiet water stream Easy to install All tools included! Simple Twist-and-Lock Design The REIN 4-Stage Reverse Osmosis Drinking Water Filter System features our innovative twist and lock filter change design, meaning no messy sump removal, ensuring maintenance is quick and easy. Installation instructions: Step 1: Rotate Counter-clockwise to release filter Step 2: Pull straight down to un-seal filter from manifold Step 3: Insert new filter Step 4: Rotate clockwise to lock new filter in manifold Additional Details ------------------------------ Product description: The REIN 4-Stage Quick Change Reverse Osmosis Water Filter System by IPW Industries Inc. produces 50 gallons of drinking water per day. The system features the innovative twist and lock filter change design, meaning no messy sump removal, ensuring maintenance is quick and easy. The REIN includes a GAC pre-filter (Stage 1), sediment pre-filter (Stage 2), Reverse Osmosis membrane (Stage 3), and a carbon block post-filter (Stage 4). REIN reverse osmosis water filter systems are built for performance and priced for value. Distinctive style, ease of installation, ease of maintenance, and ease of use were in mind throughout the entire manufacturing process. The system includes a sleek designer air gap faucet in chrome color. Sediment and carbon filter changes are recommended every six months, depending on use and water quality. The reverse osmosis membrane lasts for up to three years, depending on use and water quality. Modern Design Faucet Our REIN faucet is included with your 4-stage system. Features include: Stunning chrome finish Adjustable swivel spout Smooth, quiet water stream Easy to install All tools included! Simple Twist-and-Lock Design The REIN 4-Stage Reverse Osmosis Drinking Water Filter System features our innovative twist and lock filter change design, meaning no messy sump removal, ensuring maintenance is quick and easy. Installation instructions: Step 1: Rotate Counter-clockwise to release filter Step 2: Pull straight down to un-seal filter from manifold Step 3: Insert new filter Step 4: Rotate clockwise to lock new filter in manifold