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MewMore 400 GPD RO Membrane Filter with Housing, Replacement Reverse Osmosis Membrane Fit Home Under Sink RO Drinking Water Filter Purifier Filtration System with Wrench, 1/4" Fitting, Check Valve
Brand: MewMore
Condition: Used
$4236
$4999
-16% Save $763
Updated: 3 days ago
Description
Package Contents: ❤400 GPD RO Membrane*1, ❤12" X 3.0" Membrane Housing*1, ❤Wrench*1, ❤Quick-Connect Fittings*2, ❤Check Valve*1. Friendly design, easy installation.
400 GPD Reverse Osmosis Membrane: Produce 400 gallons purified water per day at 100 psi feed pressure. Dry TFC RO membrane in sealed packaging, which maximizes shelf life and makes storage easier.
High Efficient: MewMore RO membrane filter feature a 0.0001 micron TFC layer that reduces up to 99% of impurities while keeping a high permeated flow. Can easily remove heavy metal, organic materials, rubber mass, harmful minerals and other soluble salts from water, including lead, chlorine, fluoride, nitrates, arsenic, asbestos, calcium, sodium, colloids, magnesium, chromium and more.
Reliable: MewMore reverse osmosis membrane filter is made of 100% food-grade high capacity Thin Film Composite (TFC) material, meet NSF/ANSI 58 standards. Stable Salt Rejection rate up to 97%.
Safe: The membrane housing material is (Fiber Reinforced Polypropylene) + ABS. The sealing material is NBR. Food Grade Material, Lead-Free, and BPA-Free. Non-toxic, odorless. Providing a healthy, safe water-filtering experience.
RO Service Life: MewMore RO membrane normally lasts about 2 to 3 years based on average feedwater quality and incoming water pressure.
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℉(40℃) to prevent clog on the membrane while keeping it under 113℉(45℃) to avoid damage to the membrane due to over-high temperature.
MewMore 400 GPD RO Membrane with Housing
❤400 GPD RO Membrane * 1
❤12" X 3.0" Membrane Housing * 1
❤Wrench * 1
❤Quick-Connect Fittings * 2
❤Check Valve * 1
Friendly design, easy installation.
NOTE:
1. Rinse the elements for 24 hours, prior to first use.
2. The first full tank of permeate must be discarded.
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℉(40℃) to prevent clog on the membrane while keeping it under 113℉(45℃) to avoid damage to the membrane due to over-high temperature.
Membrane Specifications:
Capacity: 400 GPD (Gallons per Day)
Material: Thin-Film Composite
Micron Rating: 0.0001 μm
TDS Removal Rate: 99%
Salt Rejection: 97%
Feed Pressure: 100 psi
Lifespan: 2-3 years
Note: The lifespan of filters depends on your water quality.
Housing Specifications:
Material: FRP (Fiber Reinforced Polypropylene) + ABS
Outside Diameter: 4"
Length: 12"
Connect Type: Thread
Outlet Size: 1/4" Male * 1/4" OD tube
Inlet Size: 3/8" Male * 3/8" OD tube
Seal Material: NBR
Maximum Operating Pressure: 200 psi
❤400 GPD RO Membrane * 1
❤12" X 3.0" Membrane Housing * 1
❤Wrench * 1
❤Quick-Connect Fittings * 2
❤Check Valve * 1
Friendly design, easy installation.
NOTE:
1. Rinse the elements for 24 hours, prior to first use.
2. The first full tank of permeate must be discarded.
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℉(40℃) to prevent clog on the membrane while keeping it under 113℉(45℃) to avoid damage to the membrane due to over-high temperature.
Membrane Specifications:
Capacity: 400 GPD (Gallons per Day)
Material: Thin-Film Composite
Micron Rating: 0.0001 μm
TDS Removal Rate: 99%
Salt Rejection: 97%
Feed Pressure: 100 psi
Lifespan: 2-3 years
Note: The lifespan of filters depends on your water quality.
Housing Specifications:
Material: FRP (Fiber Reinforced Polypropylene) + ABS
Outside Diameter: 4"
Length: 12"
Connect Type: Thread
Outlet Size: 1/4" Male * 1/4" OD tube
Inlet Size: 3/8" Male * 3/8" OD tube
Seal Material: NBR
Maximum Operating Pressure: 200 psi
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Product Details
- SKU:
- awhd-us-b0dm2jb2zk
- Model:
- MMR400
- Country:
- US
- ASIN:
- B0DM2JB2ZK
Shopping Smarter
Common questions about buying open-box and refurbished.
Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $8 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
Why use OpenBoxFox?
Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for MewMore products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.
Is it safe to buy refurbished?
Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.
