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Pentair OMNIFilter RS18-20 Sediment Water Filter, 20-Inch, Whole House Heavy Duty Big Blue Spun Polypropylene Replacement Cartridge, 20" x 4.5", 50 Micron,White
Brand: OMNIFILTER
Condition: Used
$2547
$5448
-54% Save $2901
Updated: 20 hours 37 mins ago
Description
KEEP YOUR WATER CLEAN and protect your appliances by removing dirt, sediment and rust particles
DESIGNED TO WORK BEST WITH OMNIFilter BF55 Heavy Duty Filter Housing; Fits All 20" heavy duty housings and can replace any 20" x 4.5" sediment filter cartridge
GRADIENT DENSITY DESIGN TRAPS SEDIMENT within the cartridge not just on the outer layer for better flow rates and reduced pressure drop
MANUFACTURED WITH 100% PURE POLYPROPYLENE and is suitable for use on municipal or well water supplies
60,000 GALLON CAPACITY. Replace every 6 months or when you notice a drop in water pressure or water quality
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Amazon Warehouse
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-ca-b09qz9kwgb
- Model:
- RS18-20
- Country:
- CA
- ASIN:
- B09QZ9KWGB
- UPC:
- 047087300012
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 $29 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.