Description
CRO1000’s tankless design saves space. The integrated water route minimizes connectors, simplifies installation process, and eliminates leaking concern. For filter changes, just drain the remaining water and twist off the housings. Filter replacement is a breeze.
From the manufacturer

Quality Commercial Reverse Osmosis System
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Unbeatable PerformanceCRO1000 membrane is rated at 1000 gallon per day with up to 1.5:1 pure water to waste water ratio and the flow rate of up to 0.7 gallon per minute. It removes up to 99% of over 1,000 contaminants, including lead, chlorine, fluoride, arsenic, asbestos, calcium, sodium, and more. |
Heavy Duty, yet Easy to Move AroundFeatured with 4.5” x 20” pre-filter housings and stainless steel membrane housing, this 4-stage tankless system is set up on a sturdy freestanding metal frame with wheels and locking brakes for ease of movement. The system is also easily monitored with clear 1st stage filter housing and inlet and outlet pressure gauges. |
Easy Installation and Filter ChangeCRO1000’s tankless design saves space. The integrated water route minimizes connectors, simplifies installation process, and eliminates leaking concern. For filter changes, just drain the remaining water and twist off the housings. Filter replacement is a breeze. |


Product Features:
- Inlet Water Pressure Range: 80 – 130 psi
- Optimal Inlet Water Pressure: 100 psi
- Inlet Water Temperature Range: 41 – 100 ℉
- Peak Flow Rate: 0.7 GPM
- 3/4 Inch Water Inlet
- 3/8 Inch Water Outlet
- 3/8 Inch Drain Line
The Cores of iSpring CRO1000
CRO1000 contains 4 filter stages. Each one is designed to progressively remove contaminants and improve water quality:
- Stage 1 (FP25B): The polypropylene sediment filter removes sediments, dust, sand, large particles, silt, dirt, and rust from water, preventing clogs and pressure loss.
- Stage 2 & 3 (FC25B): iSpring carbon block filter removes up to 99% of chlorine as well as taste and odor compounds, pesticides, herbicides, and more.
- Stage 4 (MCRO1000): The 1000 GPD RO membrane removes up to 99% of over 1,000 contaminants, including lead, chlorine, fluoride, arsenic, asbestos, calcium, sodium, and more.
- The 1st stage filter (FP25B) every 3-6 months
- The 2nd stage and 3rd stage filters (FC25B) every 6-12 months
- The RO membrane (MCRO1000) every 2-3 years.
- All the above replacement schedules depend on the quality and consumption of water
One Unit Fits All
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Residential UseConnect iSpring CRO1000 to your own choice of water dispenser system, drinking water faucet, ice maker, refrigerator, espresso coffee machine, hydroponics, and more. CRO1000’S ability to thrive without a tank makes it a great space conservation option which even meets the daily demand of big families. |
Office UseYou know you can help to save the planet by replacing bottled water with filtered water directly from your tap! Adding a water filtration system is a small investment for a business, but it shows how much you care about your employees’ health and wellbeing. Keeping your employees hydrated not only gives them energy, but also prevents sick leaves. A healthy office is a happy office. |
Restaurants and Coffee ShopsFood or drink that is prepared with unpurified water may have a distinct, unpleasant taste. A reverse osmosis system ensures that the water used to boil pasta, make coffee, or quench the thirst of your customers tastes clean and fresh, which is a win-win for your customers and your business. Making coffee with RO water can also prevent scales buildup in the coffee machine, which saves your money by extending machines’ lifespan. |
Light Industrial Water TreatmentCRO1000 can satisfy water requirements for light industrial use including pharmaceutical manufacturing, food and beverage industry, oil and gas industry, microelectronics manufacturing, and power generation industry. We can help you with your manufacturing and labs with high output pure water. |
Aleece –
Great ProductThis machine has been running non stop since we purchased it almost 6 months ago and its great! We just checked the filters and it doesn’t even need to be changed out yet! I would definitely recommend the product!
Frank James –
Great customer supportWanted a filter system for our shop water and ice machine. Went with iSpring and could not be happier. We did have a broken part in the box from shipping but Don shipped out a new part right away and we were up and running. Would buy from again and recommend this product for people looking to have clean water.
ALFRED L JANTZ –
Just what I neededI have 3 very large fresh water aquariums and this purifies the changing water perfect. I made a permanent hook up so my weekly 20 % water changes is a breeze.
Bob Lazar –
CLEANAs nice as it getsReally a great product highly recommendSuper great customer service!!Thanks Don!
miguel –
expensive productI have low water pressure only 40 pounds, Here a pump should come included, ispring sells its PMP1000 pump at 700.00 very expensive, customer service is not good with fancis, they just want to sell their very expensive pmp1000 pump and if I don’t buy their expensive pump they won’t they give information. I have bought the e-chen EC-636-1000H pump of 100 gpm and 100 pounds of pressure at only 200.00 dlls and I have done my tests with 3 36 volt batteries as far as my 110v to 36v converter arrives, later I will make a test with a bomb Lotus50h 1.2 Hp 1x127v Lotus50-6/1127 at the beginning of the filters with 100 pounds of pressure
Trevor S. –
Best RO filter you will ever need.This is a great pump and the tech help was great with any trouble I had, Sean was the best.
Amazon Customer –
Excellent Customer ServiceI bought the CRO1000 I love it. I had an o ring that was leaking John b went out of his way to make sure my parts were replaced. He followed up with a phone call and an email. I would definitely buy again!! And if there would be any issues with it down the road I know John would get it going again!
Wilber –
Never worked at 1000GPDOnly worked for 2 days and the output reduced significantly. Produced 5gal per 10 minutes, then less, eventually nothing.