SpectraSelect® Plus 99% Rejection RO Membrane — 90 GPD
SKU 35-0026Or 4 interest-free payments — see options at checkout.
- Founded 1985
- Built in Tempe AZ
- In-house membranes
- Lifetime support
Our highest-rejection 90 GPD membrane. SpectraSelect Plus membranes are individually hand-tested and treated with a proprietary process to push rejection past 99% — which greatly improves downstream DI cartridge life compared to other standard 96% membranes. Standard equipment in our MaxCap and UHE RO/DI systems, and a drop-in upgrade for most aquarium and residential RO setups.
Features
- Stabilized salt rejection: 99% (minimum 98%)
- Hand-picked and individually tested for ultra-high rejection
- Proprietary treatment improves silica, phosphate, nitrate, and heavy-metal rejection
- Greatly extends DI life vs. a standard 96% membrane on the same source
- Drop-in upgrade for SpectraPure, Captive Purity, Kent Marine, Air Water Ice, Bulk Reef Supply, and most aquarium and residential systems
Specs
- Production: 90 GPD ±20% at 60 psi
- Test conditions: 500 ppm softened water, 77°F (25°C), 15% recovery
- Dimensions: 2" × 12"
- Storage: refrigerate if not installing right away
Related products
- Standard 98% rejection: 90 GPD · 150 GPD
- Pair with a DI polish stage: Mega MaxCap DI Cartridge
- Built into: MaxCap 100 GPD RO/DI · MaxCap 200 GPD RO/DI
- 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.