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- Fits Greatwell ROG400 RO system.
- Package includes one 400 GPD RO membrane with a 1.5:1 pure to drain ratio.
- It removes up to 99% of over 1,000 contaminants including lead, fluoride, arsenic, asbestos, and more. Lasts up to 3 years.
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- Fits Greatwell ROG400 RO system
- Package includes one PAC composite filter and 1 activated carbon filter
- PAC composite filter (1st stage, #FPAC1): a 3-in-1 carbon wrap filter that works as a combination of 2 polypropylene sediment filters
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- ROG400 is a tankless reverse osmosis system. The vertical filter placement design saves more than 30% of space under the sink compares to a horizontal design. A leak-free integrated water route and filter change indicator.
- The PAC filter is a
GREATWELL MRO400 400 GPD RO Membrane Replacement 400 GPD Tankless Reverse Osmosis RO Water Filtration System - Stage 2 (MRO400)
Fits Greatwell ROG400 RO system.
Package includes one 400 GPD RO membrane with a 1.5:1 pure to drain ratio.
It removes up to 99% of over 1,000 contaminants including lead, fluoride, arsenic, asbestos, and more. Lasts up to 3 years.
Snap-on RO membrane provides easy filter replacement.
It is recommended to be replaced every 2 to 3 years depending on the water quality and usage.
F2ROG400 Pre-Filter Set for Greatwell 400 GPD Tankless Reverse Osmosis (RO) Water Filtration System Stage 1 and 3 (F2ROG400)
Fits Greatwell ROG400 RO system
Package includes one PAC composite filter and 1 activated carbon filter
PAC composite filter (1st stage, #FPAC1): a 3-in-1 carbon wrap filter that works as a combination of 2 polypropylene sediment filters and a carbon filter, it removes dirt, rust, sand, and other particles and polishes water to remove bad taste and odor.
Activated carbon filter (3rd stage, #FAC1): absorbs chlorine, halide, contaminants, odors, and other impurities that contribute to bad tastes and odors
2 filters are recommended to be replaced every 6 to 12 months depending on the water quality and usage
GREATWELL ROG400 Tankless Reverse Osmosis Water Filtration System with 400 GPD RO Filter 1.5:1 Pure to Drain Ratio and Drinking Water Faucet (ROG400)
ROG400 is a tankless reverse osmosis system. The vertical filter placement design saves more than 30% of space under the sink compares to a horizontal design. A leak-free integrated water route and filter change indicator.
The PAC filter is a combination of two sediment filters and a carbon filter that removes sand, rust, chlorine, odor, and smell. The RO membrane removes up to 99% of over 1,000 contaminants, including PFAS, lead, fluoride, arsenic, asbestos, and more for up to 3 years. The AC or the active carbon filter made from coconut shell further polishes water removing odor and bad taste.
With a built-in water pump and GE reverse osmosis membrane rated at 400 GPD, the water flow rate from ROG400 is at 0. 3-0. 4 gal./min., with a pure to wastewater ratio (up to 1.5 : 1).
DIY installation and future filter replacement. The unit can be connected to the ice maker/refrigerator. It includes an artisan-style stainless steel drinking water faucet.
At GreatWell, we only use quality components tested by an independent 3rd party against NSF/ANSI standards. Lifetime technical support provided by our dedicated support team based in Atlanta, GA.