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Banish 99.99% of Contaminants at the Sub‑Micron Level
Stop settling for basic sediment cartridges—this is the real deal. The Ultra‑D is a 10″ Big Blue depth filter combining activated carbon and silver impregnation to:
Eradicate pathogens: removes >99.99% of viruses, >99.99% of bacteria, >99.95% of cysts in U.S.‑certified tests.
Strip out heavy metals: Kills >95% lead, >80% ferrous iron, >95% arsenic V, >95% cadmium, >85% chromium, ≥75% selenium, and ≥60% mercury.
Polish taste & odor: activated carbon removes chlorine, bromine, and iodine for crystal‑clean flavor.
Fits any standard 10″ × 4.5″ Big Blue housing—no hacks required. High porosity prevents early clogging, maximizing carbon life while maintaining a low pressure drop.
Demand more than “just sediment.” Upgrade to Ultra‑D and guarantee sub‑micron protection, superior taste, and plumbing peace of mind.
Ultra D Submicron Depth Filter 20" BB Replacement Cartridge
Manufactured by Aqua Science, the Ultra D Submicron Depth Filter is a high-performance 20-inch BB replacement cartridge designed to provide superior filtration for your water system. This filter fits standard 20" x 4.5" Big Blue housings and is engineered to kill 99.99% of all bacteria, ensuring the highest level of water purification.
20" BB replacement depth filter cartridge
Fits standard 20" x 4.5" Big Blue housings
Described as killing 99.99% of all bacteria
Made with coated micro-glass fibers
Includes activated carbon and silver impregnation
Improves taste and odor by removing chlorine, bromine, and iodine
Recommended replacement time: 18 months
Technical Specifications
Model #: USM-20-BB-5283
Material: Coated Micro-glass Fibers
Size: 20" X 4 1/2"
Performance and Maintenance
This filter is designed to last for up to 18 months, providing consistent filtration performance over time. It uses a combination of coated micro-glass fibers, activated carbon, and silver impregnation to effectively remove contaminants and improve water taste and odor.
Frequently Asked Questions
What housing size does this filter fit?
It fits standard 20-inch x 4.5-inch Big Blue housings.
What type of filter is this?
It is a 20-inch BB submicron depth filter replacement cartridge.
What does the product claim regarding bacteria?
The product is described as killing 99.99% of all bacteria.
What material is listed for this filter?
The listed material is coated micro-glass fibers.
Does this filter include activated carbon?
Yes, the product data states it includes activated carbon.
How often should this filter be replaced?
The recommended replacement time is 18 months.
Can this filter improve taste and odor?
Yes, the product data states it improves taste and odor by removing chlorine, bromine, and iodine.
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