Product description
External Filtering Saves Tank Space
hygger Hang Over Back Aquarium Filter
Small：Power: 4.8W; Max Flow Rate: 105GPH; suitable for 10~20 Gallon fish tank
Medium：Power: 10.5W; Max Flow Rate: 210GPH; suitable for 20~40 Gallon fish tank
Large: Power: 11.5W; Max Flow Rate: 315GPH; suitable for 40~75 Gallon fish tank
The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. hang on back filter Merchant Video
3-in-1 Filter Cartridge
Double-sided high-density mesh filters out large particles and debrisActivated carbon removes odors and impurities, clears waterBio-filter pad provides more surface area for beneficial stuff to thriveYou can also add other filter media into the filter chamber 
Efficient Filtration
Provides biological, chemical, and mechanical filtration for your aquariumsSuitable for Freshwater and Saltwater Aquariums.
Adjustable Flow Rate
The top control knob is convenient for adjusting the speed of the water flow
Tips: Raising the water level in the aquarium can reduce the sound of waterfalls caused by water level differences
Please Measure Your Aquarium
Fits for framed or rimless aquariums within 0.8 inches 
Leveling Knob Why Does the Filter Produce A Continuous “Hissing” Or “Airflow” Noise?
Reason: When the filter tilts due to loose installation or external force, external air is continuously drawn into the chamber, causing noise.
Solution: Adjust the knob to keep the filter perpendicular to the tank wall, ensuring it is fully tightened and free from tilt.
Inlet Guard Sponge
Prevents the fish and shrimp from getting too close and sucks, stuck 
Adjust the length as your needs Extendable Water Inlet Tube
small: the tube can be extended from 9 inches to 12.9 inchesmedium: the tube can be extended from 11.5 inches to 16.1 incheslarge: the tube can be extended from 12.2 inches to 17.3 inches 
Regular Cleaning and Maintenance
Please replace the filter cartridges for 2- 4 weeks to avoid blockage 
About The Water Level Line Of The Fish Tank
The minimum water level in the tank should be no lower than the filter mini water level line
Why The Filter not Working 
Please take apart the impeller to check if it gets cloggedPlease fill the filtration chamber with water and check if it is caused by the low water level of the motorPlease check if the wiring is damagedPlease check the impeller if broken
Small
Length longer horizontal edge: 5.9 in
Width shorter horizontal edge: 2.8 in
Height base to top: 9 in
Medium
Length longer horizontal edge: 7.9in
Width shorter horizontal edge: 7.8in
Height base to top: 11.5in
Large
Length longer horizontal edge: 12.8in
Width shorter horizontal edge: 2.9in
Height base to top:12.2in
Choose The Appropriate Size Based On The Size Of Your Aquarium
1 For 10-20 Gal Tank 2 For 20-40 Gal Tank 3 For 40-75 Gal Tank
Replacement Cartridge
Applicable
HG149-105 GPH (S) and HG099-S
Applicable
HG149-210 GPH (M)
Applicable
HG149-315 GPH (L)
Package
10 pcs replacement cartridges-S(Only for HG149-105 GPH filters)
Package
10 pcs replacement cartridges-M(Only for HG149-210 GPH filters)
Package
10 pcs replacement cartridges-L (Only for HG149-315 GPH filters)
Product Dimensions : 5.9 x 2.8 x 9 inches; 1.41 Pounds
Item model number : hg149
Date First Available : October 30, 2024
Manufacturer : hygger
ASIN : B0DCS2G2HR
Best Sellers Rank: #16,485 in Pet Supplies (See Top 100 in Pet Supplies) #61 in Aquarium Filters
Customer Reviews: 4.0 4.0 out of 5 stars (233) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
Indicator Light Reminder: It works by detecting that water starts to overflow around the filter chamber due to the cartridge being clogged and the LED indicator light will turn on to remind you to replace filter pads
HOB Filter, Saving Space: You can effortlessly mount the power filter to the outside of aquarium wall by the hanging design without taking up valuable tank space, and don’t have to worry about disturbing fish when removing the filter for cleaning
Water Circulation: The filtered water flows back into the tank in the form of a mini waterfall with the sound of a trickle, which helps an outflow that maximizes water agitation and oxygenation
Adjustable to Meet Your Needs: The water flow speed can be adjusted through the top knob, max flow rate is 105 GPH. The intake tube can extend flexibly, adjust the length according to the depth of the tank. The water inlet is also with sponge to prevent small fish or shrimp from getting suck in
Easily Replaceable As Need: hygger aquarium filter is come with 2 types of filter media; One is the filter cartridge consisting of dual-sided sponge cotton and ultra-activated carbon which more effectively filter out fish feces, food residues, remove odors and discoloration. Another is the bio-filter plate that provide larger surface area for support of bio filtration. Filter media can be added or replaced as needed, making it suitable for both beginners and experienced hobbyists
