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

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

iSpring Greatwell NSF Certified Reverse Osmosis Membrane 75 GPD 11.75” X 1.75”, Replacement Fits Standard Under Sink RO Drinking Water Filtration System, MC7

Product ID: 3671861

Details

External Testing Certification
ANSI
Item Weight
0.15 kg
Material
Polypropylene
Product Dimensions
1.75"D x x

💧75 GPD water output

🔬0.0001 micron filtration

🛡️NSF/ANSI certified safety

S$70

Duties & taxes included

In stock

Sold byAmazon SINGAPOREDelivered 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 SINGAPORE.

Secure transaction

ProDesertcart PRO

Fast, free shipping, member pricing & priority support.

Join PRO →

Description

💧 Elevate your hydration game with the ultimate RO membrane upgrade!

LIFETIME SUPPORT - Register for warranty and enjoy free lifetime tech support—because clean water is non-negotiable.
FITS LIKE A GLOVE - Standard 11.75” x 1.75” size fits most under-sink RO systems seamlessly.
HIGH CAPACITY FLOW - Delivers up to 75 gallons per day—enough for your whole household.
ULTRA PURE HYDRATION - Removes 99%+ of 1,000+ contaminants for crystal-clear water.
CERTIFIED PEACE OF MIND - NSF/ANSI tested to guarantee top-tier filtration performance.

The iSpring Greatwell MC7 Reverse Osmosis Membrane is a premium, NSF-certified filter cartridge designed to fit standard under-sink RO systems. It delivers up to 75 gallons of purified water daily by removing over 99% of contaminants including lead, chlorine, fluoride, and arsenic through its ultra-fine 0.0001 micron membrane. Engineered for durability and backed by lifetime tech support, it ensures safe, clean drinking water for modern households.

Specifications

ASIN	B007TBB69W
Best Sellers Rank	#3,836 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #71 in Water Filtration & Softeners #106 in Water Coolers & Filters
Brand Name	iSpring
Customer Reviews	4.7 4.7 out of 5 stars (2,219)
External Testing Certification	ANSI
Global Trade Identification Number	00662425048120
Included Components	RO membrane
Item Dimensions D x W x H	1.75"D x 1.75"W x 11.75"H
Item Type Name	, 75 GPD, 11.75” X 1.75”
Item Weight	0.15 kg
Manufacturer	iSpring
Manufacturer Part Number	MC7
Material Type	Polypropylene (PP)
Model Number	MC7
Number of Items	1
Number of Packs	1
Product Benefits	Removes up to 99% of over 1,000 contaminants including lead, chlorine, fluoride, arsenic, asbestos, calcium, sodium, and more
Set Name	75 GPD
UPC	662425048120
Unit Count	1 Count

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Zainab N.

Fantastic and great service. Shipping was faster than expected.

1 week ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.