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Top 9
August 2025
Best 20 Gallon Long Fish Tank Cover
We made a list of the top 9 20 Gallon Long Fish Tank Cover based on verified reviews, popularity and other factors which we summarized for you in this list.
Best Choice
1
Exo Terra Screen Cover, 20-29 Gallon
Exo Terra
9.2
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Easy Access Cover: The Exo Terra Terrarium Screen Cover is an easy-to-install cover for aquariums and glass tanks.
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Stable Cover: Provides cover and security for your aquarium inhabitants, reducing their stress and the risk of escape.
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Easy Ventilation and UV Penetration: The strong metal screen provides ventilation and allows necessary UV penetration while ensuring reptiles, feeder insects, and other small animals are safely secured.
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Additional Accessories: Compatible with Exo Terra Screen Cover Clips to help ensure your covers stay secure (sold separately).
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Ideal For: Hinged Screen Covers are designed for 20 Long, 29, and 37-gallon aquariums.
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Product dimensions are 30 inches long by 12 inches wide
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2
Zilla Screen Cover with Center Hinge for Reptiles, 24" x 12"
Zilla
9.1
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24 by 12 inch screen cover with center hinge
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Fits tanks and terrariums from 15 to 25 gallons
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Provides fresh air, safety, and security for reptiles and other pets
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Durable steel frame is durable and withstands high temperatures from heat lamps
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Perfect for reptiles, small pets, and habitats that require frequent convenient access
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3
H2Pro 30" Glass Canopy 20 Long/29 Gallon Aquarium Fish Tank (29.21 x 11.69 x 0.16in), Clear, 30GT
H2PRO
9.0
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✓
Fits most 20Long/29 gallon Fish tanks (marine land & perfecto). there are different Aquarium manufactures. Please measure your Tank opening to the closest millimeter before purchasing!
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Dimensions: 29.21 x 11.69 x 0.16in (74.2 x 29.7 x 0.4cm)
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Features new and improved tempered glass; durable and reduces evaporation
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Clear Plastic back strip that can be cut to fit your Aquarium
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Provides the area for your Lighting to sit while allowing simple access to your Aquarium
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45% Discount
4
Exo Terra Screen Cover, 15-20 Gallon
Exo Terra
8.9
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Buy on Amazon
✓
Easy Access Cover: The Exo Terra Terrarium Screen Cover is an easy-to-install cover for aquariums and glass tanks.
✓
Stable Cover: Provides cover and security for your aquarium inhabitants, reducing their stress and the risk of escape.
✓
Easy Ventilation and UV Penetration: The strong metal screen provides ventilation and allows necessary UV penetration while ensuring reptiles, feeder insects, and other small animals are safely secured.
✓
Additional Accessories: Compatible with Exo Terra Screen Cover Clips to help ensure your covers stay secure (sold separately).
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Ideal For: Hinged Screen Covers are designed for 15, 20, 25, and 30 X-Tall gallon aquariums.
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Product dimensions are 24 inches long by 12 inches wide
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33% Discount
5
Aqueon LED Deluxe Fish Tank Aquarium Full Hood, Black, 24 Inch
Aqueon
8.8
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✓
Comes with one Day White LED lamp, with slot for an additional LED lamp: Day White, Colormax, Beauty Max or Max Blue
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Changing LED lamps are easy to snap in and out to customize the look of your aquarium
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Moon glow accent light for nighttime illumination
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Designed to tightly fit inside aquarium rim
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Full length feeding door
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Three-way power switch included: All On, Blue and All Off
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Back of hood features plastic breakout sections to fit your aquarium accessories
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Size: 20" fits 10 Gallon, 20 Extra High; 24" fits 15 Gallon, 20 High, 30 Extra High, 33 Long, 40 Long, 55 Gallon; 30" fits 20 Long, 29 Gallon, 37 Gallon
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Fits Aquarium Size 15, 20 High, 30 Extra High, 33 Long*, 40 Long*, 55*
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NOTE: * Requires two units for tank size
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6
H2Pro 24" Glass Canopy for 15/20/ 55-Gallon Aqueon All Glass Marineland Perfecto Aquarium Fish Tank (23.07 x 11.69 x 0.16in)
H2PRO
8.6
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✓
This will NOT fit 55 gallon Marineland brand fish tanks. Only Fits 15/20H gallon Marineland & Perfecto brand fish tanks. Also Fits 15/20H/55 gallon Aqueon & All Glass brand fish tanks. There are different aquarium manufactures. Please measure your tank opening to the closest millimeter before purchasing!
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Dimensions with back strip: 23.07 x 11.69 x 0.16in (58.6 x 23.2 x 0.4cm)
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Features new and improved tempered glass; durable and reduces evaporation.
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Clear Plastic back strip that can be cut to fit your Marineland & Perfecto aquarium. Provides the area for your lighting to sit while allowing simple access to your aquarium.
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Includes easy lift handle with 3M double sided tape.
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7
Tetra LED Hood 19.3125 Inches By 9.375 Inches By 2.5 Inches, Low-Profile aquarium Hood With Hidden Lightin, Plastic
Tetra
8.4
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✓
aquarium HOOD WITH LEDS: Low-profile, hinged hood houses white LED lights that create a natural underwater shimmer effect.
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ENERGY EFFICIENT: Built-in LEDs – no bulbs to replace.
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FILTER COMPATIBLE: Cutouts in the back of the hood can accommodate a variety of filters.
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RANGE OF SIZES: Tetra LED Hoods are available in multiple sizes to accommodate most rectangular tanks.
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ACTUAL SIZE: 19.3125 inches wide by 9.375 inches deep by 2.5 inches tall
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8
Magnetic Aquarium Anti-Jumping net Cover mesh to Protect Fish Jumping Out of Fish Tank
NestBasics
8.0
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✓
DIY Magnetic aquarium anti-jumping net cover mesh contains:13.12 feet long adhesive-backed magnetic strip,13.12 feet long grooved magnetic strip,13.12 feet long plastic strip,4 units fish tank corner buckle and 4.92 feet length X 3.28 feet width size aquarium cover net.
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Magnetic fish tank mesh cover is suitable for the aquarium tanks opening perimeter below 13.12 feet long and even suitable for curved fish tank,bow front aquarium fish tank and Diamond shaped fish tank etc
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Our aquarium fish tank cover lid net is so soft that it will not injure the fish when the fish jumps,as compared to the questionable 'clunk' that occurs when fish hits its head on a hard glass lid.Nestbasics magnetic aquarium lid protect fish better.
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Magnetic aquarium lid has strong magnetic force, strong light transmittance, small aperture fishing net can prevent various sizes fish from jumping out of the tank and providing fresh air
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Our fish tank anti-jumping aquarium lid can be cut and installed according to different fish tanks,which is suitable for different gallon aquarium fish tank
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9
Magnetic Aquarium Cover Fish Tank Lid with Fresh Air Netting - Adjustable DIY Mesh Lid Prevents Fish Jumping and Reptile Escapes - Fits Tanks up to 37" x 18" (Aquarium Not Included) - Easy to Install
MLEJU
7.0
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✓
The Magnetic Fish Tank Lid is an emerging product that prevents fish from jumping out of the tank, prevents reptiles from escaping without harming them, and is suitable for use with a wide range of animals and tanks.The product only contains the lid, not the fish tank
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【Fit Aquarium Size】 Compared with traditional aquarium lid, our DIY lid is not only suitable for square tanks (29 gallon, 20gallon, 10 gallon, and other square aquariums less than 36" x 18"), but also can be used for non-standard size, round and curved fish tanks, the strips are very soft and bendable, the mesh can be cut, you can cover the different shapes of tanks on top
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【Sturdy Netting】The netting is strong, corrosion-resistant, and can withstand the high temperature of the heating lamp; 5mm hole, is large enough to ventilate, and pets can get air circulation
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【Special Magnetic Design】 Strong magnetic suction, infinite switch, quick to open. The switch is soundless, will not scare the pets. With pull handle design, easy to open and close, easy to feed
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【Installation Tips】: Before installation, please scan the QR code in the instruction manual and read the two installation methods in full before installation.Please measure the size of your fish tank before installation
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【Flexible Installation】Two kinds of installation methods: front installation -- the thickness of aquarium > 6 mm; side installation -- unlimited thickness, curved aquariums, shaped aquarium and so on.In addition, the mesh can be cut to install the filter air pump
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【Package Contents/Warranty】Aquarium Net x1, Tape x2, PE Tape x1, Corner Buckle (Handle) x4, Fixing Buckle x2, English Instruction Manual x1. We provide a 12-month warranty from the date of purchase. We do our best to ensure the quality of our products, but if you find that the product is damaged, parts are missing or defective, please feel free to contact us
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