Express Water NSF Certified Reverse Osmosis 5-Stage Water Filtration System $95.90 + Free S&H w/ Amazon Prime
Express Water at Woot

Express Water NSF-certified reverse osmosis system with 4-gallon tank and all first-year filters for $199.99.
Express Water NSF Certified Reverse Osmosis Water Filter System for under-sink or cabinet installation. This 5-stage filtration system produces the purest water for drinking, cooking, coffee, and ice. Features a fast-flow faucet with 0.8 gpm delivery, quick-connect tubing for fast setup, and a 4-gallon storage tank (3.2-gallon water capacity) with stand. Compact design fits under most kitchen sinks and can be mounted in cabinets, basements, or remote locations. Certified by independent laboratory to NSF standards. Includes all filters needed for first year of use. Compatible with 3/8" and 1/2" under-sink connections. Suitable for residential homes, apartments, RVs, and offices. Operates on 40-80 psi water pressure. For every gallon of water produced, the system discharges 1-3 gallons depending on incoming water pressure and quality.
FAQ
What does this reverse osmosis system include?
Includes 5-stage filtration system, fast-flow faucet (0.8 gpm), 4-gallon storage tank with stand (3.2-gallon water capacity), quick-connect tubing, filter housing wrench, and all filters needed for the first year of use.
Where can this system be installed?
Can be installed under-sink in a cabinet, wall-mounted, mounted in a basement, or other remote locations. Compatible with 3/8" and 1/2" under-sink connections. May require additional tubing or delivery pump for remote installations or refrigerator connections.
What are the water pressure requirements?
Operates on 40-80 psi water pressure. You may need a booster pump or pressure regulator depending on your incoming water pressure.
How much wastewater does this system produce?
For every one gallon of water produced, the system discharges between one and three gallons depending on your incoming water pressure and water quality.


