EASY INSTALLATION: Includes all the components you need for a successful installation, including color-coded tubing, quick connect fittings, housing wrenches, teflon tape, a tube cutter, and more. Our ½” connection feed water adapter has a ⅜” reducer so you don’t have to search for additional parts. Watch our handy installation video for clear, easy-to-follow instructions. Find the cartridge replacement set SP-RO125MP (ASIN: B0DX1WJW24). PREMIUM PRE-FILTRATION: 3 high quality pre-filter cartridges provide sediment filtration to protect your system and RO membrane from damaging particles, while GAC and solid carbon block filters provide filtration of chlorine, VOCs, cloudiness, and other contaminants for better tasting, smelling, and looking water. 75 GPD RO MEMBRANE: Most systems include a 50 GPD RO Membrane, but our system comes with a high flow 75 GPD membrane for highly effective filtration down to 0.0001 micron of unwanted contaminants such as bacteria, cysts, TDS, heavy metals, and much more. OPTIONAL FAUCET: Choose no faucet or from our 5 attractive finishes on our NSF-certified, durable drinking water air gap faucets. Optional air gap and pre-installed 1/4" tubing for versatile and easy installation. Faucet swivels 360 degrees for convenience and the single-handle lever makes for quick access to clean, filtered water. HIGH QUALITY SYSTEM: High quality components and quick connect fittings help prevent leaks with proper installation. Further protection from potential costly water damage is provided with our Leak Stop Valve that shuts off the system at the first sign of water. "The SpiroPure 5-Stage Reverse Osmosis Filtration System provides all the components you need to acquire high quality, healthy filtered water to your home for drinking, cooking, humidifiers, steamers, and more. Each stage provides premium filtration to improve your water: Stage 1: grooved melt-blown polypropylene sediment filter captures sediment, rust, and other dirt particles to protect and extend the life of your RO membrane and system. Stage 2: coconut shell granular activated carbon cartridge reduces chlorine taste & odor and cloudiness for better tasting, smelling, and looking water Stage 3: solid carbon block cartridge with NSF-certified coconut shell powder activated carbon to further improve taste and reduce unwanted contaminants like chloramine and chemicals. Stage 4: RO membrane with polyamide thin-film composite to filter water down to 0.0001 microns, effectively reducing over 1000 contaminants such as bacteria, fluoride, cysts, lead, TDS, heavy metals, and much more. Stage 5: coconut shell polishing carbon filter ensures any residual impurities are reduced for guaranteed better tasting water in your home. System comes ready to install with all the components you need, including a RO manifold head; RO membrane; 3 Pre-filter housings and filter cartridges; water storage tank; feed water adapter; color tubing set; drain saddle; storage tank valve and quick connect inlet and outlet fittings; housing wrenches; leak stop valve; and spare o-rings, fittings, and teflon tape. Choose a no faucet system or from our 5 attractive finishes to fit any design. For use with city or well water on cold water only. 10” x 2.5” filter cartridges should be replaced every 6 months depending upon water quality and usage, while the polishing cartridge and standard-sized 11.75” x 1.75” RO membrane has a recommended replacement of every 12 months. RO membrane provides salt rejection of 97.5%. "