MaxCap® DI Cartridge 10"
SKU 14-0053Or 4 interest-free payments — see options at checkout.
- Founded 1985
- Built in Tempe AZ
- In-house membranes
- Lifetime support
The original MaxCap. Sits in front of your mixed-bed or SilicaBuster cartridge and absorbs the brunt of the incoming TDS — extends downstream DI cartridge life 4× or more. Twist-top refillable shell, drop-in fit for most RO/DI systems.
What it does
Roughing DI stage. MaxCap takes the hit so your polishing cartridge lasts longer. Especially useful when feed water contains chloramines — MaxCap also captures the ammonia that pre-filter carbon leaves behind.
Features
- 3.5× the capacity of conventional mixed-bed and high-silica cartridges
- Extends downstream DI cartridge life 4× or more
- Removes ammonia from chloramine-treated water
- Designed to run in front of a mixed-bed or SilicaBuster cartridge
- Twist-top refillable shell
- Aluminized Mylar packaging
- Drop-in fit for SpectraPure systems and most aquarium and residential DI/RO-DI systems (Captive Purity, Kent Marine, AWI, BRS, and similar).
Specs
- Form factor: standard 10" twist-top (2.8" D × 10" L)
- Role: roughing/sacrificial DI before polishing stage
Related products
- 33% more capacity: MaxCap High-Cap DI 10"
- Highest-capacity option: Mega MaxCap DI 10"
- 20" version: MaxCap DI 20"
- Polishing stages that pair with MaxCap: Mixed Bed DI 10" · SilicaBuster DI 10"
- Browse all DI cartridges
Questions about filters, production rates, or membranes? Visit our Know Your Filters page or contact us.
Note: DI water is not intended for drinking. DI resin is not made from food-grade material. Some resins have a strong odor — handle in well-ventilated areas.
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.