HQUA Whole House Carbon Block Replacement Filter Cartridge, WF-CB20BB, Fit for WF3 Series, NSF certified Carbon Block by HQUA - Used condition

HQUA Whole House Carbon Block Replacement Filter Cartridge, WF-CB20BB, Fit for WF3 Series, NSF certified Carbon Block — Open-Box, 8% Off

Name: HQUA Whole House Carbon Block Replacement Filter Cartridge, WF-CB20BB, Fit for WF3 Series, NSF certified Carbon Block
Brand: HQUA
SKU: awhd-us-b0dp4pz7sf
Price: 42.38 USD
Availability: InStock

Brand: HQUA

Condition: Used - Mint

$42³⁸

$45⁹⁹

-8% Save $3⁶¹

Updated: 13 days ago

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Description

Improve water taste. Reduce certain VOC’s, pesticides, chlorine, odor & last step sediment filtration.

Easy replacing, no tools needed, no professional experience needed. Rip the film through the expired cartridge and put the new one into the housing.

Specifications: 20" x 4.5" Filter Cartridge, Operating Pressure: 25-116 PSI. No pressure drops, up to 15 GPM. 100,000 gallons water capacity. Need to be replaced every 6 months.

Model: WF-CB20BB. NSF certified carbon block, high effective filtration of water for certain VOC’s, pesticides, chlorine, odor & last step sediment filtration.

The cartridge is characteristic of the high capacity of dirt, low pressure drops, high flow rate, good chemical resistance.

This water filter cartridge is the replacement of the WF3-01 filter cartridge. 100% HQUA made. up to 100,000 gallon water capacity, or up to 6 months. Fit for 20" standard big blue housing. One carbon block filter cartridge. Treat bad odor, colored or cloudy water.

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Product Details

SKU:: awhd-us-b0dp4pz7sf
Model:: Carbon Block
Country:: US
ASIN:: B0DP4PZ7SF

Shopping Smarter

Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?

Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $4 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.

What's the difference between open-box and refurbished?

Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.

Why use OpenBoxFox?

Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for HQUA products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.

Is it safe to buy refurbished?

Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.