How often does membrane have to be changed please?

The RO membrane is every 2 years, but depends on usage

I've been badly let down by Water2Buy. Is your 5 stage system the same as theirs?

No tried Water2Buy but I had the iSpring 75GDP for 5 months now and it works perfectly well. I chose the pump assisted version because the mains water pressure is only 2bar. Water before filtering is 275ppm and after passing through the RO is 15-20ppm so it is doing it's job. A Brita filter reduced it to 200ppm.

Would this work in barbados where power surply is 110v

Should do. The system works from water pressure and is not connected to the electric.

As I have no power source near my kitchen sink, is it possible to install the system without power socket/electrical wiring? Or is it mandatory?

Hi, Thank you for posting your question here. Unfortunately, the pump needs electricity to work so it's mandatory. If the incoming pressure is at least 45 psi you can buy the non-booster pump system instead like the RCC7. Kind Regards, iSpring Water Systems

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MC7

Product ID: 53005268

Details

External testing certification
ANSI
Item weight
0.15 Kilograms
Material
NSF/ANSI
Product benefits
Removes wide
Product dimensions
45D x 45W x

💧75 GPD pure water output

🔬0.0001 micron filtration precision

🛡️NSF/ANSI certified safety

846 kr

Duties & taxes included

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Sold byAmazon SwedenDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💧 Drink Smart, Live Pure — The Ultimate RO Membrane Upgrade

FITS LIKE A GLOVE - Standard 11.75” x 1.75” size fits most under-sink RO systems for effortless replacement.
HIGH CAPACITY FLOW - Delivers up to 75 gallons of clean water daily—perfect for busy households and professionals on the go.
ULTRA PURE HYDRATION - Removes 99%+ of 1,000+ contaminants including lead, chlorine, and fluoride for crystal-clear water.
CERTIFIED PEACE OF MIND - NSF/ANSI tested and approved membrane ensures top-tier safety and reliability.
LIFETIME SUPPORT WARRANTY - Register online for warranty activation and enjoy lifetime free tech support—because your health deserves it.

The iSpring MC7 NSF Certified Reverse Osmosis Membrane delivers up to 75 gallons per day of ultra-purified water by filtering out over 99% of contaminants with a 0.0001 micron precision membrane. Independently tested to meet NSF/ANSI standards, it fits standard under-sink RO systems and comes with lifetime tech support and warranty registration for lasting peace of mind.

Specifications

ASIN	B007TBB69W
Benefits	Removes wide spectrum of impurities and contaminants for safer water consumption
Best Sellers Rank	18,797 in DIY & Tools ( See Top 100 in DIY & Tools ) 6 in Under-Sink Filters
Brand Name	iSpring
Compatible Water Purifier Models	iSpring RCC7
Country Of Origin	China
Customer Reviews	4.7 4.7 out of 5 stars (2,134)
EU Spare Part Availability Duration	2 Years
External Testing Certification	ANSI
Global Trade Identification Number	00662425048120
Item Dimensions D x W x H	45D x 45W x 299H millimetres
Item Highlight	11.75” X 1.75”, Replacement Fits Standard Under Sink RO Drinking Water Filtration System
Item Weight	0.15 Kilograms
Manufacturer	iSpring
Manufacturer Part Number	MC7
Material Type	NSF/ANSI Approved Material Components
Model Number	MC7
Number of Items	1
Number of Packs	1
Set Name	MC7
UPC	662425048120
Unit Count	1.0 count

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