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iSpring

iSpring CRO1000 Commercial Reverse Osmosis System

  • Capacity: 1000 gallons
  • Purification: Reverse Osmosis
  • Install Type: Freestanding
  • Material: Stainless Steel

Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A freestanding, stainless steel reverse osmosis system built for high-volume filtering, best suited to commercial or heavy household demand rather than casual use.

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ASIN: B08JZHG6KTModel: CRO1000Category: Water Filtration Systems

Overview

A freestanding reverse osmosis filtration system rated for 1000 gallons, built in stainless steel and measuring 23.5 x 10.5 x 38.25 in at 20.5 lb.

The 1000 gallon rating and freestanding install put this well past a typical under-sink unit, more in line with a high-volume reverse osmosis setup for a business or larger household. Stainless steel construction fits that heavier-use positioning better than the plastic housings common on countertop filters. The listing does not detail flow rate or membrane replacement schedule.

  • Reverse osmosis purification
  • 1000 gallon rated capacity
  • Freestanding stainless steel design
  • 23.5 x 10.5 x 38.25 in

Who it's for

Buyers needing a high-capacity, standalone reverse osmosis system, such as a small business or a household with heavy water use. Overkill for a single kitchen sink wanting basic filtered drinking water.

Pros and cons

Pros
  • 1000 gallon rated capacity, well above under-sink units
  • Stainless steel construction
  • Freestanding, no cabinet space needed
Cons
  • Bulkier footprint than a compact under-sink system
  • No stated flow rate or membrane life
  • Likely more than needed for light household use

Performance notes

Reverse osmosis pushes water through a membrane to strip dissolved solids, and the 1000 gallon rating here indicates a system built for sustained higher-volume output compared to smaller under-sink units. Stainless steel housing points to a build meant for continuous or commercial-adjacent use.

Specifications

BrandiSpring
ModelCRO1000
Dimensions & fit
Weight20.5 poundshigher than 68% of 41 water filtration systems
Dimensions23.5 × 10.5 × 38.2 inches
Dimensions23.5 x 10.5 x 38.25 in
Capacity & performance
Capacity1000 gallonshigher than 100% of 46 water filtration systems
Construction & materials
MaterialStainless Steel
Compatibility & installation
Install TypeFreestanding
Other details
PurificationReverse Osmosis

Closest rivals on specs

Waterdrop X8-WAN Alkaline Tankless Reverse Osmosis System
  • Capacity 1000 vs 800 gallons (+25%)
  • Weight 20.5 vs 16.03 pounds (+28%)
Ecoviva WP-RO-600G-W Water Filtration System
  • Capacity 1000 vs 600 gallons (+67%)
  • Weight 20.5 vs 25 pounds (-18%)
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Frequently asked questions

Is the iSpring CRO1000 meant for under-sink installation?

No, it is listed as a freestanding unit rather than an under-sink system.

How much water is it rated to filter?

The listing rates it for up to 1000 gallons.

What is the housing made of?

Stainless steel.