What is the difference between the mc7 and mc1? i have an rcc7 unit that i purchased 2 years ago

Hi Gregory, the the difference between the two membranes is the gallons per day produced; the MC1 will fill the ro storage tank a just a couple minutes quicker than the MC7. Either membrane is compatible with the RCC7.

When should this be changed?

It should last 2 to 3 years. However, I use a TDS meter to monitor pollutant levels. The water in Alpine, TX is not very good according to the TDS readings. I change my RO membrane twice a year and the other filters about every 3 months. I am probably a bit of a fanatic though. Check out 123filter.com for filter information. I stopped buying from Amazon because I got a better price and their customer service is awesome. Amazon customer service is excellent but 123filter is in the RO business. Very helpful for problem solving.

Are there any specific instructions? Do you have to run water through it awhile before using?

There will be specific instructions but in any case it is always a good idea to flush the system few a few minutes before using. The important thing is to keep the membrane wet. Tech support at isptings is awesome too.

Will this fit ispring rcc7ak?

Hi Elizabeth, Thank you for your question. Yes, this is the membrane filter used in the system rcc7ak. Thanks, iSpring Water Systems

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💧 Elevate your hydration game with crystal-clear confidence!

FITS LIKE A GLOVE - Standard 11.8" x 1.75" size fits most RCC7 series RO systems seamlessly.
CERTIFIED CONFIDENCE - Independently tested to meet NSF/ANSI standards for guaranteed safety.
PURE WATER PURE POWER - Removes 99.99% of impurities with precision 0.0001 micron membrane.
FLOW WITHOUT COMPROMISE - Delivers up to 75 gallons per day to keep your home hydrated and healthy.
LONG LASTING PERFORMANCE - Reliable 2-3 year lifespan ensures consistent clean water without frequent replacements.

The iSpring MC7 Reverse Osmosis Membrane Replacement is a high-capacity 75 GPD filter cartridge designed for RCC7 series systems. Featuring an ultra-fine 0.0001 micron membrane, it removes 99.99% of contaminants and meets NSF/ANSI standards. Its standard size fits most in-sink RO housings, providing up to 3 years of reliable, pure water filtration for your home.

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Manufacturer	iSpring Water Systems
Model Number	MC7
Package Dimensions	35.9 x 6.5 x 5.4 cm
Material	Polypropylene (PP)
Color	blue
Size	MC7, 75GPD
Package Weight	0.15 Kilograms
Batteries Required	No
Batteries Included	No
Brand Name	iSpring

iSpring RO Reverse Osmosis Membrane Replacement for RCC7 Series 75GPD Capacity Filter Cartridge Model Number MC7

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