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Hygger Square Adjustable Air Pump HG981-10W
Order processing time: 3–5 business days
Improve aquarium aeration with the Hygger Square Adjustable Air Pump HG981 – 10W, a powerful dual-outlet aquarium air pump designed to deliver consistent airflow for large fish tanks, sponge filters, air stones, and other air-driven aquarium accessories. Featuring a maximum airflow of 255 GPH, adjustable air output, and quiet operation below 30 dB, this pump provides a practical aeration solution for freshwater and saltwater aquarium setups.
Designed with a compact square housing and a convenient rotary airflow control knob, the Hygger HG981 10W allows aquarium owners to adjust the amount of air supplied to connected equipment. With two air outlets and a manufacturer-rated capacity of up to 600 gallons, it is suitable for a variety of aquarium aeration applications.
Benefits of the Hygger Square Adjustable Air Pump HG981 – 10W
Powerful 10W Performance: Delivers consistent airflow for compatible aquarium aeration equipment.
255 GPH Maximum Airflow: Provides strong air output for larger aquariums and demanding aeration applications.
Dual Air Outlets: Features two outlets for connecting compatible air stones, sponge filters, or other air-driven accessories.
Adjustable Airflow Control: A built-in rotary knob allows convenient adjustment of air output.
Quiet Operation: Designed to operate at less than 30 dB under the manufacturer's test conditions.
Suitable for Large Aquariums: Manufacturer-rated for aquariums up to 600 gallons.
Strong Air Pressure: Provides a maximum pressure of 0.05 MPa for compatible aeration setups.
Supports Oxygen Exchange: Helps improve surface agitation and gas exchange through bubble-driven water movement.
Versatile Applications: Suitable for aquarium air stones, sponge filters, decorative bubble features, and other compatible air-powered equipment.
Designed for Powerful Aquarium Aeration
The Hygger HG981 10W Square Adjustable Air Pump is designed for aquarium hobbyists who need a consistent supply of air for their aquatic systems.
Air pumps work by pushing air through airline tubing into connected accessories such as air stones and sponge filters. The rising bubbles encourage water movement and surface agitation, helping promote oxygen exchange between aquarium water and the surrounding air.
This additional water movement can be useful in larger aquariums, densely stocked tanks, and setups that rely on air-driven filtration.
The HG981 features two air outlets, allowing users to operate two compatible accessories or distribute airflow according to their aquarium's requirements.
Adjustable Airflow for Different Aquarium Needs
One of the key features of the Hygger HG981 is its built-in adjustable airflow control.
The rotary knob allows users to increase or decrease air output without changing the connected equipment.
Turning the knob clockwise increases airflow, while turning it counterclockwise reduces airflow.
This makes it easier to customize bubble production for different aquarium applications, whether you want stronger aeration from an air stone or a more controlled flow through a compatible sponge filter.
Actual airflow depends on aquarium depth, airline tubing, connected accessories, and resistance within the system.
Quiet Operation for Home Aquariums
The Hygger HG981 10W is designed to deliver powerful aeration while minimizing operating noise.
According to Hygger, the pump operates at a noise level below 30 dB under specified testing conditions.
For best results, place the air pump on a stable, level surface away from objects that may amplify vibration.
Ensure that airline tubing is properly connected and that air stones or other accessories are not blocked, as excessive resistance can affect performance and noise levels.
Suitable Aquarium Applications
The Hygger Square Adjustable Air Pump HG981 – 10W can be used for compatible applications, including:
Large freshwater aquariums
Saltwater aquarium aeration
Aquarium air stones and bubble diffusers
Air-driven sponge filtration systems
Decorative bubble curtains and aquarium ornaments
Multiple compatible air-driven accessories
Aquariums requiring supplemental oxygen exchange
Fish breeding and holding tanks requiring suitable airflow
The manufacturer rates this model for aquariums up to 600 gallons. Actual suitability depends on tank dimensions, water depth, livestock requirements, and connected equipment.
Installation and Usage Guidelines
Position the air pump on a stable, dry, level surface outside the aquarium.
Place the pump above the aquarium water level whenever possible.
Connect compatible airline tubing to the two air outlets.
Attach the tubing to suitable air stones, sponge filters, or other air-driven accessories.
Install check valves where necessary to help prevent water from flowing backward into the pump.
Connect the pump to a suitable electrical outlet.
Use the rotary control knob to adjust airflow to the desired level.
Check that both connected accessories receive adequate air.
Maintenance Tip: Inspect the air filter, airline tubing, and air stones regularly. Clean or replace blocked accessories as necessary to maintain consistent airflow.
Air Stone Tip: Soak new air stones in water before use according to the manufacturer's recommendations to help achieve proper bubble distribution.
Important Safety Information: Keep the pump dry and never submerge it in water. Always disconnect electrical power before cleaning or maintaining the unit. Follow the manufacturer's installation and electrical safety instructions.
Product Specifications
Brand: Hygger
Product: Square Adjustable Air Pump
Model: HG981-10W
Power Rating: 10W
Maximum Airflow: 255 GPH
Maximum Air Pressure: 0.05 MPa
Maximum Operating Depth: 5.9 ft
Noise Level: Less than 30 dB
Recommended Aquarium Capacity: Up to 600 gallons
Air Outlets: 2
Airflow Control: Adjustable rotary knob
Voltage: AC 110–120V / 60Hz (US version)
Power Cord Length: 6 ft
Dimensions: Approximately 5.2 × 5.47 × 3.46 inches
Installation: External, non-submersible
Primary Function: Aquarium aeration and air-driven equipment operation
Specifications are based on Hygger's published HG981 product information and user manual. Verify regional voltage requirements and compatibility with your aquarium accessories before installation.
Package Includes
1 × Hygger HG981 10W Adjustable Air Pump
1 × User manual
Airline tubing, air stones, and check valves should be purchased separately unless specifically included by the seller.
Order processing time: 3–5 business days
Improve aquarium aeration with the Hygger Square Adjustable Air Pump HG981 – 10W, a powerful dual-outlet aquarium air pump designed to deliver consistent airflow for large fish tanks, sponge filters, air stones, and other air-driven aquarium accessories. Featuring a maximum airflow of 255 GPH, adjustable air output, and quiet operation below 30 dB, this pump provides a practical aeration solution for freshwater and saltwater aquarium setups.
Designed with a compact square housing and a convenient rotary airflow control knob, the Hygger HG981 10W allows aquarium owners to adjust the amount of air supplied to connected equipment. With two air outlets and a manufacturer-rated capacity of up to 600 gallons, it is suitable for a variety of aquarium aeration applications.
Benefits of the Hygger Square Adjustable Air Pump HG981 – 10W
Powerful 10W Performance: Delivers consistent airflow for compatible aquarium aeration equipment.
255 GPH Maximum Airflow: Provides strong air output for larger aquariums and demanding aeration applications.
Dual Air Outlets: Features two outlets for connecting compatible air stones, sponge filters, or other air-driven accessories.
Adjustable Airflow Control: A built-in rotary knob allows convenient adjustment of air output.
Quiet Operation: Designed to operate at less than 30 dB under the manufacturer's test conditions.
Suitable for Large Aquariums: Manufacturer-rated for aquariums up to 600 gallons.
Strong Air Pressure: Provides a maximum pressure of 0.05 MPa for compatible aeration setups.
Supports Oxygen Exchange: Helps improve surface agitation and gas exchange through bubble-driven water movement.
Versatile Applications: Suitable for aquarium air stones, sponge filters, decorative bubble features, and other compatible air-powered equipment.
Designed for Powerful Aquarium Aeration
The Hygger HG981 10W Square Adjustable Air Pump is designed for aquarium hobbyists who need a consistent supply of air for their aquatic systems.
Air pumps work by pushing air through airline tubing into connected accessories such as air stones and sponge filters. The rising bubbles encourage water movement and surface agitation, helping promote oxygen exchange between aquarium water and the surrounding air.
This additional water movement can be useful in larger aquariums, densely stocked tanks, and setups that rely on air-driven filtration.
The HG981 features two air outlets, allowing users to operate two compatible accessories or distribute airflow according to their aquarium's requirements.
Adjustable Airflow for Different Aquarium Needs
One of the key features of the Hygger HG981 is its built-in adjustable airflow control.
The rotary knob allows users to increase or decrease air output without changing the connected equipment.
Turning the knob clockwise increases airflow, while turning it counterclockwise reduces airflow.
This makes it easier to customize bubble production for different aquarium applications, whether you want stronger aeration from an air stone or a more controlled flow through a compatible sponge filter.
Actual airflow depends on aquarium depth, airline tubing, connected accessories, and resistance within the system.
Quiet Operation for Home Aquariums
The Hygger HG981 10W is designed to deliver powerful aeration while minimizing operating noise.
According to Hygger, the pump operates at a noise level below 30 dB under specified testing conditions.
For best results, place the air pump on a stable, level surface away from objects that may amplify vibration.
Ensure that airline tubing is properly connected and that air stones or other accessories are not blocked, as excessive resistance can affect performance and noise levels.
Suitable Aquarium Applications
The Hygger Square Adjustable Air Pump HG981 – 10W can be used for compatible applications, including:
Large freshwater aquariums
Saltwater aquarium aeration
Aquarium air stones and bubble diffusers
Air-driven sponge filtration systems
Decorative bubble curtains and aquarium ornaments
Multiple compatible air-driven accessories
Aquariums requiring supplemental oxygen exchange
Fish breeding and holding tanks requiring suitable airflow
The manufacturer rates this model for aquariums up to 600 gallons. Actual suitability depends on tank dimensions, water depth, livestock requirements, and connected equipment.
Installation and Usage Guidelines
Position the air pump on a stable, dry, level surface outside the aquarium.
Place the pump above the aquarium water level whenever possible.
Connect compatible airline tubing to the two air outlets.
Attach the tubing to suitable air stones, sponge filters, or other air-driven accessories.
Install check valves where necessary to help prevent water from flowing backward into the pump.
Connect the pump to a suitable electrical outlet.
Use the rotary control knob to adjust airflow to the desired level.
Check that both connected accessories receive adequate air.
Maintenance Tip: Inspect the air filter, airline tubing, and air stones regularly. Clean or replace blocked accessories as necessary to maintain consistent airflow.
Air Stone Tip: Soak new air stones in water before use according to the manufacturer's recommendations to help achieve proper bubble distribution.
Important Safety Information: Keep the pump dry and never submerge it in water. Always disconnect electrical power before cleaning or maintaining the unit. Follow the manufacturer's installation and electrical safety instructions.
Product Specifications
Brand: Hygger
Product: Square Adjustable Air Pump
Model: HG981-10W
Power Rating: 10W
Maximum Airflow: 255 GPH
Maximum Air Pressure: 0.05 MPa
Maximum Operating Depth: 5.9 ft
Noise Level: Less than 30 dB
Recommended Aquarium Capacity: Up to 600 gallons
Air Outlets: 2
Airflow Control: Adjustable rotary knob
Voltage: AC 110–120V / 60Hz (US version)
Power Cord Length: 6 ft
Dimensions: Approximately 5.2 × 5.47 × 3.46 inches
Installation: External, non-submersible
Primary Function: Aquarium aeration and air-driven equipment operation
Specifications are based on Hygger's published HG981 product information and user manual. Verify regional voltage requirements and compatibility with your aquarium accessories before installation.
Package Includes
1 × Hygger HG981 10W Adjustable Air Pump
1 × User manual
Airline tubing, air stones, and check valves should be purchased separately unless specifically included by the seller.

