Membrane Solutions 400 GPD RO Membrane, Reverse Osmosis Membrane with Membrane Housing, 1/4″ Quick-Connect Fittings, Check Valve, Replacement for Under Sink Home Drinking RO Water Filter System
$69.99
Price: $69.99
(as of Apr 11, 2025 01:28:03 UTC – Details)
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[DIY RO System] What You’ll Get: 400 GPD RO Membrane*1, 12″ X 3.0″ Membrane Housing*1, Wrench*1, Quick Connect Fittings*3. Make your own reverse osmosis water filter right now! You don’t need to buy an expensive all-in-one solution.
[400 Gallon Per Day] Membrane Solutions High-Quality Reverse Osmosis membrane can produce 400 gallons purified water per day (16.6 gallons / 63.1 liters per hour). 8 glasses of 8oz cups of water are recommended 1 gallon. You can get a gallon of water in about 3 minutes. You just need to open the faucet of the RO purifier using this RO membrane, you can get drinking water.
[High Contaminant Rejection] Remove up to 97% of total dissolved solids from water. This membrane is only 0.1nm, 50 times smaller than even the heavy metals. So these RO membranes can easily remove heavy metal, harmful minerals and other soluble salts from water. Enjoy Your Water with Confidence!
[100% Performance and Quality Tested] Membrane Solutions RO membrane uses the most advanced membrane film technology and manufacturing processes, verified by independent laboratory testing. These reverse osmosis membranes are made of the highest quality Polyamide Thin-Film Composite ensures that you get the most filtration and surface area coverage, let you enjoy high-quality taste.
[About RO GPD Ratings] GPD ratings are based on tests performed under specific water conditions (Urban tap water, 25°C / 77 °F, 100 PSI). Every time the temperature drops by 1°C / 33.8°F, the GPD Rating drops by about 3-4%; every time the pressure drops by 1 PSI, the GPD Rating drops by about 1 – 1.5%. For example, a standard 400 GPD RO membrane, at a temperature of 10°C / 50°F (or a pressure of 50 PSI), the GPD Rating is about 200.
Tips: Recommend work pressure is 100 psi when using this product in a Maple Syrup reverse osmosis system. And we suggest heating and maintaining the raw sap at 104°F(40°C) to prevent clogging on the membrane while keeping it under 113°F(45°C) to avoid damage to the membrane due to over-high temperature.
Customers say
Customers find the reverse osmosis membrane works well and is easy to install, with perfect fit and good value for money. The water quality receives positive feedback, with one customer noting it removes 10 gallons of water per hour. However, the product has several issues: it doesn’t come with a check valve, and some customers report leakage problems. Additionally, the PSI output is below expectations, with one customer mentioning it barely produces 225 GPD.
AI-generated from the text of customer reviews
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