Pentair OMNIFilter PB55-20 Big Blue 20" x 4.5" Carbon Block Water Filter by OMNIFilter - Used condition

Pentair OMNIFilter PB55-20 Big Blue 20" x 4.5" Carbon Block Water Filter — Open-Box, 59% Off

Name: Pentair OMNIFilter PB55-20 Big Blue 20" x 4.5" Carbon Block Water Filter
Brand: OMNIFilter
SKU: awhd-us-b07j22k3j4
Price: 82.36 USD
Availability: InStock

Brand: OMNIFilter

Condition: Used

$82³⁶

$199⁴¹

-59% Save $117⁰⁵

Updated: 3 hours 14 mins ago

Buy at Amazon.com

Description

CLEANER, SAFER, BETTER TASTING WATER - This premium carbon block cartridge reduces lead and cysts along with chlorine taste and odor, for cleaner, better tasting water at every tap in your home

PAIRS BEST WITH Pentair OMNIFilter PB55 heavy duty filtration system - Also fits 20 inch by 4.5 inch heavy duty big blue housings from other major brands; replaces any 20 inch carbon block cartridge

PREMIUM 0.5 MICRON CARBON BLOCK - A dense 0.5 micron carbon block reduces lead and Cryptosporidium and Giardia cysts by mechanical means while supporting a high flow rate and low pressure drop

NSF CERTIFIED LEAD AND CYST REDUCTION - Third party NSF and ANSI Standard 53 certified to reduce lead and cysts at 10 gpm when used in the Pentair OMNIFilter BF55 housing or PB55 filtration system

40,000 GALLON CAPACITY - Long lasting whole house carbon block rated for 40,000 gallons; replace every 4 to 5 months or sooner when you notice a drop in water pressure or water quality

Buy at Amazon.com

Sold by

Amazon Warehouse

Verified Retailer

Official Amazon outlet for open-box & returned items

Backed by Amazon's A-to-Z Guarantee
30-day return policy
Ships from Amazon fulfillment centers
Price verified on Amazon

Product Details

SKU:: awhd-us-b07j22k3j4
Model:: PB55-20-SC-S18
Country:: US
ASIN:: B07J22K3J4
UPC:: 047087302061

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 $117 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 OMNIFilter 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.