iSpring RCC7-BN 5-Stage Under-Sink Reverse Osmosis System

The iSpring RCC7-BN is a five-stage under-sink reverse osmosis system for municipal tap water, with a brushed-nickel faucet and a listing claim of 75 GPD. Its no-power design and transparent first-stage housing suit buyers who want a tank-based setup with a visible filter check, but well-water use requires suitable point-of-entry treatment first.

At a glance

Five filtration stages combine three pre-filters, an RO membrane, and a final GAC filter, according to the listing.
A transparent first-stage housing is intended to make sediment-filter inspection easier.
The listing says the system requires no power source and is designed for municipal tap water.
Manufacturer claims include NSF/ANSI 58 certification and reductions for several listed contaminants. These are claims, not independent test results.

Price

$188.09Save 15%

Reference price: ~~$219.99~~

Price checked: Nov 13, 2026

View offer Ahead of Black FridayExplore the selection

Often bought together

iSpring F7-GAC NSF Certified 1-Year Replacement Filter Cartridge Pack, 7-Count for Standard 5-Stage Reverse Osmosis (RO) Systems

$38.00

iSpring F5-75 Reverse Osmosis Filter Replacement Pack, Fits 5-Stage Reverse Osmosis Systems with 75 GPD RO Membrane

$55.09

Pros and cons

Pros

The tank and faucet are listed among the included components, making this a more complete under-sink setup than a filter-only purchase.
The transparent first-stage housing provides a direct visual check of that filter.
The listing describes push-to-connect fittings and tubing, which may simplify DIY installation.

Cons

Filter replacement is part of ongoing ownership, and the listing specifies replacement cartridges for all five stages.

Technical specifications

13 specifications

Identity
Brand	iSpring
Model	RCC7-BN
Filtration stages	5-Stage

Dimensions and installation
Weight listed	27.5 pounds
Power requirement	requires no power source

Materials and protection
Material listed	Plastic

Filtration and performance claims
Maximum flow rate	3.4 liters per minute
Claimed daily capacity	75 GPD
Claimed contaminant reduction	up to 99% of over 1,000 harmful contaminants
Claimed TDS reduction	80-90%
Claimed filtration precision	0.0001 microns
Certification claim	NSF/ANSI 58 certified

Included system components
Included components listed	Filters, filtration system, tank, faucet

What to know before buying

The manufacturer says the system is designed for municipal tap water, not untreated well water. It says well-water feed should first receive point-of-entry filtration.

Listing details to confirm

The 75 GPD capacity appears in the product title, while the details list a maximum flow rate of 3.4 liters per minute. These are different performance descriptions, and neither should be treated as a guaranteed delivered rate in all conditions. The listing describes a 1-year warranty, while the registration-related feature text calls it a 1-year limited warranty upon registration. Confirm the applicable warranty terms and registration requirements.

What’s in the box

Included

Filters
Filtration system
Tank
Faucet

Who is it for?

A good fit for

Households wanting a five-stage under-sink RO system for municipal tap water, with an included tank and faucet.
DIY-oriented buyers who value a transparent first-stage housing and listed push-to-connect fittings.
Buyers seeking a no-power filtration system and willing to replace stage-specific cartridges over time.

Less suited to

People needing a system intended for untreated well water without prior point-of-entry filtration.
Buyers who need a clearly established delivered-water rate under their specific pressure and feed-water conditions.

iSpring RCC7-BN 5-Stage Under-Sink Reverse Osmosis System · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 21,600 ratings

5 stars84%84%
4 stars8%8%
3 stars2%2%
2 stars1%1%
1 star5%5%

Customer feedback reports ease of installation and use, clear instructions, and favorable impressions of water taste and filtration. Some customers also report faucet leaking. That reported mix matters for a system whose listing emphasizes DIY-friendly fittings and includes a faucet, while the feedback does not establish how often leaks occur or their cause.

Positive themes

Customers describe installation and use as easy, and note clear instructions.
Customers report crisp-tasting water and favorable impressions of water quality and filtration.