Reverse Osmosis Replacement Filter, 600 GPD, 24 Months

Reverse osmosis replacement filter delivers cleaner-tasting water with fast flow and long service life for busy kitchens. Designed for 10-stage RO systems, this 600 GPD cartridge uses a 0.0001 μm RO membrane to reduce common contaminants like chlorine and lead while supporting consistent performance. Twist-in connection and a 360° rotating inlet help minimize clogging and simplify alignment under the sink.

• Fits SS-004 under-sink reverse osmosis systems for a straightforward cartridge swap.


• Delivers up to 600 gallons per day to support high-demand, tankless RO setups.


• Reduces chlorine and lead to improve taste and support everyday drinking and cooking.


• Simplifies replacement with a twist-and-pull design—no tools and no unit removal.


• Supports longer intervals with up to 24 months or 8 tons of water (usage-dependent).

Built for households that want reliable RO filtration without frequent cartridge changes, this replacement filter pairs a premium RO membrane with a leak-resistant housing and a rotating inlet for easier installation in tight cabinet spaces. Use within the recommended water temperature range to help maintain performance and service life. If your SS-004 system is due for a filter change, refresh your under-sink setup and keep great-tasting water on tap—grab yours today.

• Type: 10-stage reverse osmosis filter cartridge (replacement)


• Membrane: 0.0001 μm RO membrane


• Capacity: 600 GPD


• Lifespan: Up to 24 months or 8 tons of water (varies by water quality/usage)


• Operating water temperature: 41–100.4°F (5–38°C)


• Dimensions: Φ3.94 x 13.43 in (Φ100 x 341 mm)


• Net weight: 2.78 lb (1.26 kg)


• Housing material: Plastic exterior


• Compatibility: SS-004 under-sink RO system