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20 Best Hob Filter For 20 Gallon Tank (2022 Updated)

A hob filter is a type of aquarium filter that hangs on the back of the tank. It is a popular choice for aquariums because it is easy to install and maintain.

20 Best Hob Filter For 20 Gallon Tank

Product Image Product Name Features Price

Eheim Pro 4+ 600 Canister Filter

  • Pro4+ filter replaces the EHEIM Pro 3 range.This new filter doesnt just boast a new sleek black color but it also has a Range Xtender Function.

Eheim Professionel 3 Filter

  • Designed with the highest standard of aquatic performance in mind
  • Made in the USA with quality materials
  • Aquatic health and performance design for quality life

Pingkay 5-Stage External Canister Filter with 9-Watt UV Sterilizer

  • Good for up to 200 gallon fish tanks.Maximum flow rate of 525GPH from built in pump
  • Convenient self-priming pump that eliminates the need for manual siphoning; Single valve disconnect & priming pump ease routine maintenance

Aquael 102368 Aquarium Filter Silver

  • Filter thuis.
  • Nominaal vermogen: 4,2 W.
  • Maximale Debiet: 260 l/u.

Aquaclear Filter Insert Activated Carbon 20

  • Improves water clarity, color and odor
  • Broad spectrum organic compound removal
  • Suitable for freshwater or marine aquariums

Aqueon QuietFlow Filter Cartridge, Small, 3-Pack

  • Fits Aqueon QuietFlow Filter: E Internal 10 gallon
  • Ready-to-use cartridge contains high quality activated carbon that keeps water clean, rinse before replacing

Aqueon 06417 Filter Cartridge, Small, 12-Count

  • mechanical, chemical, biological and wet/dry.
  • for the cleanest, clearest, healthiest water.

Eheim Classic 600 Canister Filter 2217

  • water circulation and oxygen enrichment
  • resulting in optimum conditions for successful aquarium keeping
  • with 3-6 month maintenance intervals

Aquael 113613 Indoor Aquarium Filter Silver

  • Filter ideaal voor aquarium en terrarium.
  • Modern motor met laag energieverbruik.
  • Eenvoudige bevestiging en onderhoudsvriendelijk.

Tetra Whisper Extra Small Filter Cartridges, 4-Pack

  • REPLACEMENT CARBON FILTER Keeps aquarium water crystal clear – removes odors and discoloration
  • CATCHES DEBRIS Dense dual-sided mesh filters debris and fish waste

Tetra EX1200 Plus Canister Filter

  • Aquatic external filter
  • Produces water that is safe for fish and crystal-clear, providing a fascinating insight into aquarium life

Tetra EasyCrystal Internal Aquarium Filter Box 600

  • Ensures crystal-clear, healthy water thanks to its intensive mechanical, biological and chemical filtering mechanism
  • Mechanical filtration: double-layered filter ensures that even the smallest particles are removed
Eheim Pro 4+ 600 Canister Filter
  • Pro4+ filter replaces the EHEIM Pro 3 range.This new filter doesnt just boast a new sleek black color but it also has a Range Xtender Function.
Eheim Professionel 3 Filter
  • Designed with the highest standard of aquatic performance in mind
  • Made in the USA with quality materials
  • Aquatic health and performance design for quality life
Pingkay 5-Stage External Canister Filter with 9-Watt UV Sterilizer
  • Good for up to 200 gallon fish tanks.Maximum flow rate of 525GPH from built in pump
  • Convenient self-priming pump that eliminates the need for manual siphoning; Single valve disconnect & priming pump ease routine maintenance
Aquael 102368 Aquarium Filter Silver
  • Filter thuis.
  • Nominaal vermogen: 4,2 W.
  • Maximale Debiet: 260 l/u.
Aquaclear Filter Insert Activated Carbon 20
  • Improves water clarity, color and odor
  • Broad spectrum organic compound removal
  • Suitable for freshwater or marine aquariums
Aqueon QuietFlow Filter Cartridge, Small, 3-Pack
  • Fits Aqueon QuietFlow Filter: E Internal 10 gallon
  • Ready-to-use cartridge contains high quality activated carbon that keeps water clean, rinse before replacing
Aqueon 06417 Filter Cartridge, Small, 12-Count
  • mechanical, chemical, biological and wet/dry.
  • for the cleanest, clearest, healthiest water.
Eheim Classic 600 Canister Filter 2217
  • water circulation and oxygen enrichment
  • resulting in optimum conditions for successful aquarium keeping
  • with 3-6 month maintenance intervals
Aquael 113613 Indoor Aquarium Filter Silver
  • Filter ideaal voor aquarium en terrarium.
  • Modern motor met laag energieverbruik.
  • Eenvoudige bevestiging en onderhoudsvriendelijk.
Tetra Whisper Extra Small Filter Cartridges, 4-Pack
  • REPLACEMENT CARBON FILTER Keeps aquarium water crystal clear – removes odors and discoloration
  • CATCHES DEBRIS Dense dual-sided mesh filters debris and fish waste
Tetra EX1200 Plus Canister Filter
  • Aquatic external filter
  • Produces water that is safe for fish and crystal-clear, providing a fascinating insight into aquarium life
Tetra EasyCrystal Internal Aquarium Filter Box 600
  • Ensures crystal-clear, healthy water thanks to its intensive mechanical, biological and chemical filtering mechanism
  • Mechanical filtration: double-layered filter ensures that even the smallest particles are removed

1. Eheim Pro 4+ 600 Canister Filter

Eheim Pro 4+ 600 Canister Filter

  • Pro4+ filter replaces the EHEIM Pro 3 range.This new filter doesnt just boast a new sleek black color but it also has a Range Xtender Function.
  • These filters can handle aquariums between 30-160 US gallons (Depending on model purchased).
  • As with most EHEIM filters, the Pro4+ comes complete with filter pads and media and all installation equipment.

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Amazon.com
Walmart – Beyond Corals Inc.
Chewy.com
AquaCave.com

Product Details

Specifications

Details
Is Discontinued By Manufacturer No
Product Dimensions 14 x 10 x 10 inches; 14 Pounds
Country of Origin Germany
Item Package Dimensions L x W x H 20 x 12 x 9 inches
Item Dimensions LxWxH 14 x 10 x 10 inches
Target Audience Keyword Fish
Age Range Description All stages
Included Components All

2. Eheim Professionel 3 Filter

Eheim Professionel 3 Filter

  • Designed with the highest standard of aquatic performance in mind
  • Made in the USA with quality materials
  • Aquatic health and performance design for quality life

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Amazon.com – Seller

Product Details

Specifications

Details
Aquarium Size 201+
Aquarium Type Freshwater & Saltwater
GPH 450
Power Cord Length 6 ft
Outlet Size 16/22mm
Max Head Height 5.2 ft
Inlet Size 2 x 16/22mm
Dimension 12″ x 12.75″ x 23″

3. Eheim 2217 Classic External Canister Filter

Eheim 2217 Classic External Canister Filter

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Amazon.com
Walmart – Beyond Corals Inc.
petocart.com
Chewy.com

Product Details

Specifications

Details
Is Discontinued By Manufacturer No
Product Dimensions 11 x 8 x 16 inches; 1 Pounds
Item Package Dimensions L x W x H 15.8 x 11.1 x 8.3 inches
Item Dimensions LxWxH 11 x 8 x 16 inches
Target Audience Keyword Fish
Directions Use as directed on package
Specific Uses for Product Indoor

4. Eheim Classic 150 Canister Filter 2211

Eheim Classic 150 Canister Filter 2211

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Amazon.com – Seller
eBay
Walmart – Beyond Corals Inc.
Chewy.com

Product Details

Specifications

Details
Is Discontinued By Manufacturer No
Product Dimensions 6 x 4.33 x 11.42 inches; 3.25 Pounds
Item Package Dimensions L x W x H 14.53 x 7.01 x 6.46 inches
Item Dimensions LxWxH 6 x 4.33 x 11.42 inches
Target Audience Keyword Fish
Country of Origin United States
Age Range Description All stages
Included Components All

5. Pingkay 5-Stage External Canister Filter with 9-Watt UV Sterilizer

Pingkay 5-Stage External Canister Filter with 9-Watt UV Sterilizer

  • Good for up to 200 gallon fish tanks.Maximum flow rate of 525GPH from built in pump
  • Convenient self-priming pump that eliminates the need for manual siphoning; Single valve disconnect & priming pump ease routine maintenance
  • Built in 9 Watt Light for controlling algae spores/bacteria and promoting clear water

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Amazon.com – Seller
eBay

Product Details

Specifications

Details
Product Dimensions 12 x 12 x 19 inches
Is Discontinued By Manufacturer No
Item Package Quantity 1

Reviews From Real Customers

johla-66

6. Aquael 102368 Aquarium Filter Silver

Aquael 102368 Aquarium Filter Silver

  • Filter thuis.
  • Nominaal vermogen: 4,2 W.
  • Maximale Debiet: 260 l/u.

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Sold By Price
Amazon
Miscota.com

Product Details

Specifications

Details
Capacity intervals Less than 50L, 50L – 100L

7. Aquaclear Filter Insert Activated Carbon 20

Aquaclear Filter Insert Activated Carbon 20

  • Improves water clarity, color and odor
  • Broad spectrum organic compound removal
  • Suitable for freshwater or marine aquariums
  • Does not change water characteristics
  • Exclusively designed for use in the AquaClear 20 Power Filter

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eBay
Walmart – joshsfrogs
Chewy.com

Product Details

Specifications

Details
Manufacturer Part Number 015561105972
Product Name 20 Activated Carbon Filter Insert, 45 g (1.6 oz)
Packaged Quantity 1 Pack
Product Type Aquarium Filter Replacement Part
Physical Characteristics
Weight (Approximate) 1.59 oz
Miscellaneous
Compatibility Fresh and Saltwater Aquariums

Reviews From Real Customers

Smiley
momma bee
Ladyvirgo

8. Dennerle Nano Corner Filter

Dennerle Nano Corner Filter

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eBay
Petco.com
marineandreef.com

Product Details

Specifications

Details
Is Discontinued By Manufacturer No
Product Dimensions 7.68 x 3.94 x 2.36 inches; 7.83 Ounces
Item Package Dimensions L x W x H 7.72 x 4.02 x 2.48 inches
Item Dimensions LxWxH 7.68 x 3.94 x 2.36 inches
Target Audience Keyword Fish
Directions For aquarium used only
Included Components One corner filter and kits
Specific Uses for Product Indoor

Reviews From Real Customers

987jmk
rabbitstu46
drux1990

9. Aqueon QuietFlow Filter Cartridge, Small, 3-Pack

Aqueon QuietFlow Filter Cartridge, Small, 3-Pack

  • Fits Aqueon QuietFlow Filter: E Internal 10 gallon
  • Ready-to-use cartridge contains high quality activated carbon that keeps water clean, rinse before replacing
  • Installs in seconds: align cartridge bottom key slot for an accurate fit inside the Filter
  • For optimal performance, change approximately every 4 to 6 weeks
  • Do not clean Bioholster when replacing the cartridge as it contains beneficial biological bacteria

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Walmart

Product Details

Specifications

Details
Assembled Product Weight 0.09 oz

10. Aqueon 06417 Filter Cartridge, Small, 12-Count

Aqueon 06417 Filter Cartridge, Small, 12-Count

  • mechanical, chemical, biological and wet/dry.
  • for the cleanest, clearest, healthiest water.

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Amazon
eBay

Product Details

Specifications

Details
Animal Type Fish

11. Tetra EX Plus Aquarium External Filter Set

Tetra EX Plus Aquarium External Filter Set

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Amazon
Vivapets

Product Details

12. Eheim Classic 600 Canister Filter 2217

Eheim Classic 600 Canister Filter 2217

  • water circulation and oxygen enrichment
  • resulting in optimum conditions for successful aquarium keeping
  • with 3-6 month maintenance intervals

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Sold By Price
Amazon
eBay
Sears – ErgodE

Product Details

13. Aquael 113613 Indoor Aquarium Filter Silver

Aquael 113613 Indoor Aquarium Filter Silver

  • Filter ideaal voor aquarium en terrarium.
  • Modern motor met laag energieverbruik.
  • Eenvoudige bevestiging en onderhoudsvriendelijk.

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Sold By Price
Amazon
Bricoinn.com

Product Details

Specifications

Details
Capacity (Max) 250 L
Animal Fish

Reviews From Real Customers

striking8
alvin.137

14. Tetra Whisper Extra Small Filter Cartridges, 4-Pack

Tetra Whisper Extra Small Filter Cartridges, 4-Pack

  • REPLACEMENT CARBON FILTER Keeps aquarium water crystal clear – removes odors and discoloration
  • CATCHES DEBRIS Dense dual-sided mesh filters debris and fish waste
  • CONVENIENT Replacement filter cartridges are fully assembled and ready to use
  • USAGE Change every 2 weeks or sooner if there is reduced water flow
  • Age Range Description: All Life Stages

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Walmart
Chewy.com

Product Details

Specifications

Details
Item Package Dimensions L x W x H 9.53 x 5.79 x 3.19 inches
Item Dimensions LxWxH 2.91 x 2.52 x 5.91 inches
Target Audience Keyword Fish
Directions See label for details
Age Range Description All Life Stages

15. Hikari Bacto-Surge Foam Filter Large

Hikari Bacto-Surge Foam Filter Large

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PetMountain.com
KwikPets.com

Product Details

Specifications

Details
Weight 0.8 lb

16. AquaTech EZ-Change Aquarium Filter Replacement Cartridge 5-15 Power Filters 6-pa

AquaTech EZ-Change Aquarium Filter Replacement Cartridge 5-15 Power Filters 6-pa

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eBay – 2bfairshop

Product Details

Reviews From Real Customers

WIBadgerFan
Kriston
lorenmammenga

17. Aqua Clear Power Filter – 110 V

Aqua Clear Power Filter - 110 V

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Amazon
eBay

Product Details

Specifications

Details
Piece Count 1
System of Measurement U.S. Customary
Count Per Pack 0
Animal Type Fish

18. Aquatop Classic Aqua Flow Sponge Filter 180gal

Aquatop Classic Aqua Flow Sponge Filter 180gal

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HealthProductsForYou.com
CountryMax

Product Details

Specifications

Details
Weight 1.5 lb

19. Tetra EX1200 Plus Canister Filter

Tetra EX1200 Plus Canister Filter

  • Aquatic external filter
  • Produces water that is safe for fish and crystal-clear, providing a fascinating insight into aquarium life
  • Offered as a complete set with filter materials that are quick and easy to clean, for quick and easy activation
  • Exceptionally powerful and quiet
  • Features a suction aid to kick-start the filter and valves to accurately control the water for cleaning purposes

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bigamart.com

Product Details

Specifications

Details
dimensions 28 x 35.5 x 46.5 cm

20. Tetra EasyCrystal Internal Aquarium Filter Box 600

Tetra EasyCrystal Internal Aquarium Filter Box 600

  • Ensures crystal-clear, healthy water thanks to its intensive mechanical, biological and chemical filtering mechanism
  • Mechanical filtration: double-layered filter ensures that even the smallest particles are removed
  • Biological filtration: BioGrid with an extra large surface area where useful bacteria can settle
  • Chemical filtration: special active carbon to remove water discolouration and unpleasant odours
  • Can be folded together to save space

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Vivapets
Miscota.com

Product Details

Specifications

Details
Capacity intervals 300l/h – 1000l/h

Reviews From Real Customers

rmpetty
gfantry570
drjazz43

Conclusion

A hob filter is a mechanical filter that is placed inside of an aquarium. The filter works by drawing water in from the aquarium and then forcing it through a series of filtration media. The water is then returned to the aquarium.

A hob filter is an excellent choice for a 20 gallon tank. The filter will provide excellent filtration while taking up very little space in the aquarium. The filter will also provide aeration to the water, which is important for the health of the fish.

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