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Best Cartridges Filters Deals Online in the US (10 deals found)

Last Updated - March 15, 2026 Sort By:

Best Choice

New
Zuqqony 8 Pack PF-S Filter Cartridges Compatible with Silenstream PF10 Power Filters, Remplacement Aquarium Carbon Cartridge with Zeolite
Ideal Replacement Cartridges with Strong Compatibility - It is perfect compatible with Silenstream Power Filters PF10. The specific size of our aquarium filter cartridges is 5.5 in L x 3.1 in W. With this aquarium filter cartridge, you can keep your water healthy and clean every moment.

$9.99
New
Tetra Whisper Bio-Bag Filter Aquarium Cartridges, Medium Filter for Freshwater and Marine Fish, Removes Odors and Discoloration, Ready to Use, 3 Medium Green Filters
REPLACEMENT CARBON FILTER: Keeps aquarium water crystal clear – removes odors and discoloration.

$6.47
Best Value

New
Tetra Whisper Bio-Bag Filter Aquarium Cartridges, Medium Filter for Freshwater and Marine Fish, Removes Odors and Discoloration, Ready to Use, 3 Medium Green Filters
REPLACEMENT CARBON FILTER: Keeps aquarium water crystal clear – removes odors and discoloration.

$6.15 $6.47
New
HiTauing 8 Pack EF-S Filter Cartridges for EF-S Element and BF5 BETTAFLO
Strong Compatibility: The specific size of our aquarium filter cartridge is 2.1 in L x 3.7 in W. It is very suitable for BF5 BETTAFLO FILTER & DESKTOP AQUQRIUMS. With this aquarium filter cartridge, you can keep your water healthy every moment. It contains 6 pack aquarium filter cottons, which you can change every 2-4 weeks.

$8.99
New
Tetra Whisper Bio-Bag Filter Aquarium Cartridges, Large Filter for Freshwater and Marine Fish, Removes Odors and Discoloration, Easy to Assemble, 12 Large Blue Filters
UNASSEMBLED REPLACEMENT CARBON FILTER Keeps aquarium water crystal clear – removes odors and discoloration

$14.57
New
Tetra Whisper Bio-Bag Filter Aquarium Cartridges, Large Filter for Freshwater and Marine Fish, Removes Odors and Discoloration, Easy to Assemble, 12 Large Blue Filters
UNASSEMBLED REPLACEMENT CARBON FILTER Keeps aquarium water crystal clear – removes odors and discoloration

$13.84 $14.57
51% Off

New
Tetra Whisper Bio-Bag Filter Cartridges For Aquariums - Unassembled Medium (Pack of 12)
UNASSEMBLED REPLACEMENT CARBON FILTER: Keeps aquarium water crystal clear – removes odors and discoloration.

$7.29 $14.99
54% Off

New
Tetra Whisper Bio-Bag Filter Cartridges For Aquariums - Unassembled Medium (Pack of 12)
UNASSEMBLED REPLACEMENT CARBON FILTER: Keeps aquarium water crystal clear – removes odors and discoloration.

$6.93 $14.99
16% Off

New
1 Micron 2.5" x 10" Whole House CTO Carbon Water Filter Cartridge Replacement for Under Sink Water Filter System, Dupont WFPFC8002, WFPFC9001, FXWTC, SCWH-5, WHEF-WHWC, WHCF-WHWC, AMZN-SCWH-5, 4Pack
❄️【Authoritative Certifications】 - The filter is certified against NSF/ANSI 42 by IAPMO, filtering out 99% Chlorine, odor and improve water taste significantly. It also certified by European , Canadian CSA, BPA Free and Australian Water Mark. Only select products with authoritative certifications for your loved ones.

$26.99 $31.99
24% Off

New
1 Micron 2.5" x 10" Whole House CTO Carbon Water Filter Cartridge Replacement for Under Sink Water Filter System, Dupont WFPFC8002, WFPFC9001, FXWTC, SCWH-5, WHEF-WHWC, WHCF-WHWC, AMZN-SCWH-5, 4Pack
❄️【Authoritative Certifications】 - The filter is certified against NSF/ANSI 42 by IAPMO, filtering out 99% Chlorine, odor and improve water taste significantly. It also certified by European , Canadian CSA, BPA Free and Australian Water Mark. Only select products with authoritative certifications for your loved ones.

$24.29 $31.99

10 Cartridges Filters deals are available from: Amazon stores, starting from $6.15.
The biggest discount we found is 54% on Tetra Whisper Bio-Bag Filter Cartridges For Aquariums - Unassembled Medium (Pack of 12) at Amazon.
The lowest price we found is $6.15 while the highest is $26.99.
Prices for the best Cartridges Filters deals average at $12.55.
Last updated on March 15, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Cartridges Filters.