98% Rejection RO Membrane — 90 GPD
SKU 37-0003Or 4 interest-free payments — see options at checkout.
- Founded 1985
- Built in Tempe AZ
- In-house membranes
- Lifetime support
Drop-in replacement TFC RO membrane for 90 GPD systems. Batch-tested at our facility for consistent rejection and production — fits standard 2" × 12" RO housings used across most aquarium, drinking water, and residential systems.
Features
- Stabilized salt rejection: 98%
- Minimum rejection: 98%
- Standard 2" diameter × 12" length form factor
- Compatible with most aquarium and residential RO systems
- Batch-tested before shipping
Specs
- Production: 90 GPD ±20% at 60 psi
- Test conditions: 250 ppm softened water, 77°F (25°C), 15% recovery
- Dimensions: 2" × 12"
- Replace when rejection drops below 96% or production slows (not from cold water)
Pair with the correct flow restrictor. Always change the flow restrictor when changing membrane size — wrong restrictor sizing will damage the new membrane.
Related products
- Higher rejection at the same flow: SpectraSelect Plus 99% Rejection 90 GPD
- Step up: 150 GPD
- Step down: 60 GPD · 40 GPD
- Match a flow restrictor to your new membrane
Questions about filters, production rates, or membranes? Visit our Know Your Filters page or contact us.
Cleaner water for plants, pets, and people
Reverse osmosis membranes reject microplastics, PFAS and "forever chemicals," chlorine and chloramine byproducts, heavy metals, and the dissolved solids that show up as taste and scale. That means cleaner feed water for your plants, animals, business, or family — and a lot less reliance on bottled water, which keeps plastic out of the landfill. Most setups run a 3:1 waste-to-product ratio on hard water and 2:1 on soft water, and can be tuned to 1:1 in high-purity feed areas or with a periodic pure-water flush. The system is built to last with field-serviceable filter housings, so you replace cartridges (not whole units) for years of dependable purity.