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
NSF
Item weight
0.42 Pounds
Material
Polypropylene
Product benefits
Removes wide
Product dimensions
5D x 5W x 10H

💧75 GPD water output

🔬0.0001 micron filtration

🛡️NSF/ANSI certified safety

CA$80

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Description

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

FITS SEAMLESSLY - Standard 11.75” x 1.75” size fits most under-sink RO systems for easy, no-fuss replacement.
ULTRA PURE HYDRATION - Removes 99%+ of 1,000+ contaminants including lead, chlorine, and fluoride for crystal-clear water.
RELIABLE DAILY SUPPLY - Generates up to 75 gallons of purified water per day—perfect for busy households and professionals.
CERTIFIED QUALITY ASSURANCE - NSF/ANSI tested membrane ensures food-grade, high-capacity filtration you can trust.
LIFETIME SUPPORT WARRANTY - Activate your warranty online and enjoy lifetime free tech support for total peace of mind.

The iSpring MC7 is a premium NSF-certified reverse osmosis membrane designed to deliver up to 75 gallons of ultra-pure water daily by filtering out over 99% of contaminants down to 0.0001 microns. Its standard size fits most under-sink RO systems, backed by rigorous third-party testing and lifetime customer support, making it the go-to choice for health-conscious professionals seeking reliable, clean hydration.

Specifications

ASIN	B007TBB69W
Benefits	Removes wide spectrum of impurities and contaminants for safer water consumption
Best Sellers Rank	9,798 in DIY & Tools ( See Top 100 in DIY & Tools ) 3 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 (2,116)
EU Spare Part Availability Duration	2 Years
External Testing Certification	NSF
Global Trade Identification Number	00662425048120
Item Dimensions D x W x H	5D x 5W x 10H centimetres
Item Weight	0.42 Pounds
Manufacturer	iSpring
Manufacturer Part Number	MC7
Material Type	Polypropylene (PP)
Model Number	MC7
Number of Items	1
Set Name	Single
UPC	662425048120
Unit Count	1.0 count

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CA$80

Duties & taxes included

In stock

Sold byAmazon CanadaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Canada.

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