Top 8 Best Aquarium Undergravel Filter

of July 2024
1
Best ChoiceBest Choice
Penn-Plax Undergravel Aquarium Filter for 40-55 Gallon Tanks  Four 11.25 x 11.25 Plates  Under Gravel System for Clear, Clean Water  Safe for Freshwater and Saltwater Tanks
Penn-Plax
Penn-Plax

10
Exceptional
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2
Best ValueBest Value
Penn-Plax Clear-Free Premium Under Gravel Aquarium Filter (UGF)  Freshwater and Saltwater Safe  Suitable for 20  29 Gallon Tanks
Penn-Plax
Penn-Plax

9.9
Exceptional
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3
Penn-Plax Undergravel Aquarium Filter for 10 Gallon Tanks  Two 9.5 x 9.5 Plates  Under Gravel System for Clear, Clean Water  Safe for Freshwater and Saltwater Tanks
Penn-Plax
Penn-Plax

9.8
Exceptional
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4
fishkeeper Submersible Aquarium Filter for 40-100 Gal, 3-in-1 Biochemical Sponge Filter for Aquarium Filtration/Oxygenation/Circulation, Up to 320 GPH Adjustable Internal Fish Tank Filter (8W/13W)
fishkeeper
fishkeeper

9.7
Exceptional
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5
Baluue Fish Tank Bottom Filter, 10pcs PVC Filter Plate Splicing Aquarium Divider Bottom Grid (Black)
Baluue
Baluue

9.6
Exceptional
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6
Penn-Plax Clear-Free Premium Under Gravel Aquarium Filter (UGF)  Freshwater and Saltwater Safe  Suitable for 15  20 Gallon Tanks
Penn-Plax
Penn-Plax

9.5
Excellent
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7
Penn-Plax Filt-a-Carb Replacement Activated Carbon Media Cartridges (2 Pack)  Fits Multi-Pore and Undergravel E Filters  Provides Chemical Filtration (FC2)
Penn-Plax
Penn-Plax

9.4
Excellent
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8
Lee's 60/77/90 Original Undergravel Filter, 15-Inch by 48-Inch or 12-Inch by 60-Inch
Lee's
Lee's

9.3
Excellent
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9
Lee's 20L/29 Gallon Original Undergravel Filter - 12 x 30-Inches,White
Lee's
Lee's

9.2
Excellent
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10
Lee's 40S/55 Original Undergravel Filter, 12-Inch by 48-Inch or 15-Inch by 36-Inch,White
Lee's
Lee's

9.1
Excellent
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About Aquarium Undergravel Filter

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Penn-Plax Undergravel Aquarium Filter for 40-55 Gallon Tanks Four 11.25 x 11.25 Plates Under Gravel System for Clear, Clean Water Safe for Freshwater and Saltwater Tanks

NOTHING LIKE OLD SCHOOL The Clear-Free Premium Under Gravel Filter is air driven and utilizes an Air Pump not included to cycle crystal clear water throughout your aquarium, while keeping a crisp and neat look inside. This means theres less moving parts, making for simplistic and easy maintenance. This filter is suitable for most 40 55 gallon aquariums.. BIOLOGICAL, CHEMICAL, AND PHYSICAL FILTRATION As air is pushed through the Air Stones and rises through the Lift Tubes, water is gently suctioned through gravel and the filter plates, allowing both air and water to pass through the Filt-a-Carb Activated Carbon Cartridges. When water continues to be drawn through, anaerobic bacteria collects and colonizes within the gravel and filter plates.. ALSO AERATES YOUR TANK Since the Clear-Free Premium Under Gravel Filter is air driven through the use of Air Stones and an Air Pump not included, it also aerates your tank. In essence, your aquarium is being filtered and aerated at the same time, though the same system Its a filter and bubbler in 1. ITEMS INCLUDED The Clear-Free Premium Under Gravel Filter includes 4 Filter Plates, 4 Adjustable Lift Tubes, 4 Straight Airline Tubes, 9 Filter Plate Connecters, and 4 Replaceable Filt-a-Carb Activated Carbon Media Cartridges.. MEASUREMENTS Each Filter Plate Separately 11.25 W x 11.25 D Filter Plates Together 45 W x 11.25 D Each Lift Tube at Filter Plate Base 13.25 16.5.

Penn-Plax Clear-Free Premium Under Gravel Aquarium Filter (UGF) Freshwater and Saltwater Safe Suitable for 20 29 Gallon Tanks

NOTHING LIKE OLD SCHOOL The Clear-Free Premium Under Gravel Filter is air driven and utilizes an Air Pump not included to cycle crystal clear water throughout your aquarium, while keeping a crisp and neat look inside. This means theres less moving parts, making for simplistic and easy maintenance. This filter is suitable for most 20 long 29 gallon aquariums.. BIOLOGICAL, CHEMICAL, AND PHYSICAL FILTRATION As air is pushed through the Air Stones and rises through the Lift Tubes, water is gently suctioned through gravel and the filter plates, allowing both air and water to pass through the Filt-a-Carb Activated Carbon Cartridges. When water continues to be drawn through, anaerobic bacteria collects and colonizes within the gravel and filter plates.. ALSO AERATES YOUR TANK Since the Clear-Free Premium Under Gravel Filter is air driven through the use of Air Stones and an Air Pump not included, it also aerates your tank. In essence, your aquarium is being filtered and aerated at the same time, though the same system Its a filter and bubbler in 1. ITEMS INCLUDED The Clear-Free Premium Under Gravel Filter includes 2 Filter Plates, 2 Adjustable Lift Tubes, 2 Straight Airline Tubes, 3 Filter Plate Connecters, and 2 Replaceable Filt-a-Carb Activated Carbon Media Cartridges.. MEASUREMENTS Each Filter Plate Separately 14 W x 11.1 D Filter Plates Together 28 W x 11.1 D Each Lift Tube at Filter Plate Base 13 16.

Penn-Plax Undergravel Aquarium Filter for 10 Gallon Tanks Two 9.5 x 9.5 Plates Under Gravel System for Clear, Clean Water Safe for Freshwater and Saltwater Tanks

NOTHING LIKE OLD SCHOOL The Clear-Free Premium Under Gravel Filter is air driven and utilizes an Air Pump not included to cycle crystal clear water throughout your aquarium, while keeping a crisp and neat look inside. This means theres less moving parts, making for simplistic and easy maintenance. This filter is suitable for most 10 gallon aquariums.. BIOLOGICAL, CHEMICAL, AND PHYSICAL FILTRATION As air is pushed through the Air Stones and rises through the Lift Tubes, water is gently suctioned through gravel and the filter plates, allowing both air and water to pass through the Filt-a-Carb Activated Carbon Cartridges. When water continues to be drawn through, anaerobic bacteria collects and colonizes within the gravel and filter plates.. ALSO AERATES YOUR TANK Since the Clear-Free Premium Under Gravel Filter is air driven through the use of Air Stones and an Air Pump not included, it also aerates your tank. In essence, your aquarium is being filtered and aerated at the same time, though the same system Its a filter and bubbler in 1. ITEMS INCLUDED The Clear-Free Premium Under Gravel Filter includes 2 Filter Plates, 2 Adjustable Lift Tubes, 2 Straight Airline Tubes, 3 Filter Plate Connecters, and 2 Replaceable Filt-a-Carb Activated Carbon Media Cartridges.. MEASUREMENTS Each Filter Plate Separately 9.5 W x 9.5 D Filter Plates Together 19 W x 9.5 D Each Lift Tube at Filter Plate Base 9.75 12.75.

fishkeeper Submersible Aquarium Filter for 40-100 Gal, 3-in-1 Biochemical Sponge Filter for Aquarium Filtration/Oxygenation/Circulation, Up to 320 GPH Adjustable Internal Fish Tank Filter (8W/13W)

3-IN-1 Aquarium Power Filter

Baluue Fish Tank Bottom Filter, 10pcs PVC Filter Plate Splicing Aquarium Divider Bottom Grid (Black)

The botton filter plate can activae the bottom bed, the deposition of undesirable substances.. Aquarium Filter is made of premium PVC material, slightly submerged and has good toughness.. Can be spliced the size you want. Good water permeability. Aquarium Fish Tank Divider is a good accessory for breeding sea fish, large dragon fish, making fish tanks. convenient to adopt the receiving type butt- joint installation..

Penn-Plax Clear-Free Premium Under Gravel Aquarium Filter (UGF) Freshwater and Saltwater Safe Suitable for 15 20 Gallon Tanks

NOTHING LIKE OLD SCHOOL The Clear-Free Premium Under Gravel Filter is air driven and utilizes an Air Pump not included to cycle crystal clear water throughout your aquarium, while keeping a crisp and neat look inside. This means theres less moving parts, making for simplistic and easy maintenance. This filter is suitable for most 15 20 high gallon aquariums.. BIOLOGICAL, CHEMICAL, AND PHYSICAL FILTRATION As air is pushed through the Air Stones and rises through the Lift Tubes, water is gently suctioned through gravel and the filter plates, allowing both air and water to pass through the Filt-a-Carb Activated Carbon Cartridges. When water continues to be drawn through, anaerobic bacteria collects and colonizes within the gravel and filter plates.. ALSO AERATES YOUR TANK Since the Clear-Free Premium Under Gravel Filter is air driven through the use of Air Stones and an Air Pump not included, it also aerates your tank. In essence, your aquarium is being filtered and aerated at the same time, though the same system Its a filter and bubbler in 1. ITEMS INCLUDED The Clear-Free Premium Under Gravel Filter includes 2 Filter Plates, 2 Adjustable Lift Tubes, 2 Straight Airline Tubes, 3 Filter Plate Connecters, and 2 Replaceable Filt-a-Carb Activated Carbon Media Cartridges.. MEASUREMENTS Each Filter Plate Separately 11.25 W x 11.2 D Filter Plates Together 22.5 W x 11.2 D Each Lift Tube at Filter Plate Base 12 15.

Penn-Plax Filt-a-Carb Replacement Activated Carbon Media Cartridges (2 Pack) Fits Multi-Pore and Undergravel E Filters Provides Chemical Filtration (FC2)

REPLACEMENT FILTER MEDIA These Activated Carbon Cartridges are made to fit the lift tubes of Muti-Pore and Undergravel E filters, serving as a replacement for when its time to cycle out aquarium filter media.. CHEMICAL FILTRATION In addition to absorbing ammonia, nitrites, nitrates, and phosphates in a timely manner, these Activated Carbon Cartridges also remove harmful chemicals and toxins, clear up discolorations, and reduce foul odors from your tank.. TOP-QUALITY ACTIVATED CARBON These Activated Carbon Cartridges come together in a 2 Pack. For best results, replace cartridges every 2 to 4 weeks. Theyre lightweight, disposable, and are safe for Freshwater and Saltwater aquariums.. OLD SCHOOL There has been a burst of growth, development, and ingenuity within the aquatic industry, and although we are a part of this as well, we still provide replacement media for undergravel aquarium setups.. SHOP PENN-PLAX FOR ALL YOUR PETS NEEDS Penn-Plax is a manufacturer and distributor of top quality pet supplies, who specialize in creating excellent pet products for animals, both great and small..

Lee's 60/77/90 Original Undergravel Filter, 15-Inch by 48-Inch or 12-Inch by 60-Inch

Made of special quality plastic which resists splitting and cracking. Also has optional flow-thru set-up for use with a power head. Size 15-inch by 48-inch by 12-inch by 60-inch.

Lee's 20L/29 Gallon Original Undergravel Filter - 12 x 30-Inches,White

Made of special quality plastic which resists splitting and cracking. Also has optional flow-thru set-up for use with a power head. Size 12 by 30 inches.

Lee's 40S/55 Original Undergravel Filter, 12-Inch by 48-Inch or 15-Inch by 36-Inch,White

Made of special quality plastic which resists splitting and cracking. Also has optional flow-thru set-up for use with a power head. Size 15-inch by 36-inch.