Under-Sink RO Water Purifiers

Under-sink reverse osmosis water purifiers for kitchen cabinet installation, available from compact 100G systems to high-flow tankless models. Suitable for homes, apartments, offices and OEM/ODM projects.

How B2B Buyers Compare Under-Sink RO Systems

Shortlist models using verified installation, capacity and maintenance requirements rather than model appearance alone.

Tank or tankless

Confirm available cabinet space, peak demand and preferred dispensing response.

Rated capacity

Compare GPD and flow only under the stated inlet-water, pressure and temperature conditions.

Filter configuration

Check cartridge format, replacement supply and maintenance requirements for the destination market.

1000G Under-Sink RO Water Purifier

1000G under-sink RO water purifier with a high-performance reverse osmosis membrane, 6-chamber low-noise pump and electronic dual-outlet faucet, designed for high-flow household water purification.

Under-Sink RO Water Purifier 400G/600G/800G

Under-sink reverse osmosis water purifier with 400G, 600G and 800G options, featuring 0.0001-micron RO membrane filtration and multi-stage treatment for municipal tap water.

Under-Sink RO Water Purifier 400G/600G/800G/1200G

High-flow under-sink reverse osmosis water purifier available in 400G, 600G, 800G and 1200G options, featuring 0.0001-micron RO membrane filtration for municipal tap water.

100 GPD 5-Stage Under-Sink RO Water Purifier

100 GPD 5-stage under-sink reverse osmosis water purifier with PP sediment, activated carbon and RO membrane filtration, complete with a 2.8G pressure tank for household drinking water purification.

100 GPD 5-Stage Under-Sink RO Water Purifier

100 GPD 5-stage under-sink reverse osmosis water purifier with PP sediment, activated carbon and RO membrane filtration, featuring a 2.8-gallon pressure tank for household drinking water purification.