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Top 8June 2025

Best 4mm Airline Tubing For Aquariums

We made a list of the top 8 4mm Airline Tubing For Aquariums based on verified reviews, popularity and other factors which we summarized for you in this list.

Best Choice

Pawfly Aquarium Airline Tubing 6.5 Feet Standard 3/16" Aquarium Tubing for Fish Tank Air Pump, Flexible Kink-Resistant Pure PVC Hose for Aquarium Garden Terrarium Pond

Pawfly Aquarium Airline Tubing 6.5 Feet Standard 3/16" Aquarium Tubing for Fish Tank Air Pump, Flexible Kink-Resistant Pure PVC Hose for Aquarium Garden Terrarium Pond

✓PVC Aquarium Tubing: The airline tubing is made of pure PVC material. It is really flexible and scratch-proof. Its thickened design allows for rough handling and repeated use.
✓Multipurpose: The aquarium air tubing is ideal for most basic aeration setup. Great for fish tanks, aquariums, hydroponics, ponds, water gardens, siphon systems, laboratories, etc.
✓Standard Size Airline Tubing: 6.5 ft. in length and 3/16" in diameter (4 mm in inner diameter & 6 mm in outer diameter). Work great on most common air systems, such as oxygen, CO₂ or other high-pressure systems.
✓Kink-Resistant: The wear-resistant aquarium hose can be freely twisted without kinking. The smooth interior surface effectively prevents sediment accumulation and allows for smooth air flow.
✓Safe & Reusable: The fish tank tubing is safe and reliable to resist cracking, high temperature, corrosion and leakage. Dependable for long-time use.

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9% Discount

PENN-PLAX Standard Airline Tubing for Aquariums – Clear and Flexible – Resists Kinking – Safe for Freshwater and Saltwater Fish Tanks – 8 Feet

PENN-PLAX Standard Airline Tubing for Aquariums – Clear and Flexible – Resists Kinking – Safe for Freshwater and Saltwater Fish Tanks – 8 Feet

✓BASIC NECESSITY FOR AQUARISTS: As aquarists and fish-keeping hobbyists know, it’s always good to have extra airline tubing on hand. Our Standard 3/16” Airline Tubing offers a great solution for various aquarium airline needs, such as connecting an air pump to an air stone, an under-gravel filter, or an aquarium ornament.
✓CLEAR, FLEXIBLE, AND DURABLE: Made from clear, flexible plastic, our Standard Airline Tubing is built to withstand wear and tear. The tubing’s flexibility makes it a breeze to work with. In addition to being resistant to kinking, it’s ultra-durable and should not crack or become brittle. For better connection to aquarium accessories, soak both ends in warm water for 30 seconds.
✓SAFE FOR FISH: Our Standard Airline Tubing is made of fish-safe plastic, and can be used for both freshwater and saltwater tanks.
✓MEASUREMENTS: Length = 8’ / Inner Diameter = 4 mm / Outer Diameter 5.8 mm.
✓SHOP PENN-PLAX FOR ALL YOUR PET’S 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.

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uxcell Aquarium Air Valve Connector Plastic Inline Tubing Straight Valves for 4mm Fish Tank Pond Air Line 20pcs

uxcell Aquarium Air Valve Connector Plastic Inline Tubing Straight Valves for 4mm Fish Tank Pond Air Line 20pcs

✓SIZE: The air line connector suitable for 4mm / 5/32 inch(tube internal diameter) ,Applicable to all types of air pumps to increase equipment gas supply capacity or other uses
✓GOOD QUALITY AQUARIUM CONNECTOT:the plastic fish tank hose connectors are made of plastic,durable and non-toxic,friendly to people and fish,perfect for mending or extending aquariums air hose.
✓FEATURE :After connecting the oxygen tube, Air Valve Connector can make one airflow into one strands and provide sufficient oxygen for the pool or fish tank.
✓WIDELY APPLICATION:the air line connector suitable for aquarium tubing,great accessories for your fish tank tube,air pump,check valve,bubble stone connection.
✓STRAIGHT TYPES INLINE TUBING CONNECTOR: the aquarium tubing connector has straight-shaped,straight-connectors can through one inputs to create one output

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31% Discount

Penn-Plax Deluxe Airline Tubing for Aquariums – Made of Durable Silicone – Safe for Freshwater and Saltwater Fish Tanks – 20 Feet

Penn-Plax Deluxe Airline Tubing for Aquariums – Made of Durable Silicone – Safe for Freshwater and Saltwater Fish Tanks – 20 Feet

✓BASIC NECESSITY FOR AQUARISTS: As aquarists and fish-keeping hobbyists know, it’s always good to have extra airline tubing on hand. Our Deluxe 3/16” Airline Tubing offers a great solution for various aquarium airline needs, such as connecting an air pump to an air stone, an under-gravel filter, or an aquarium ornament.
✓FLEXIBLE & DURABLE: Made from durable silicone, our Deluxe 3/16” Airline Tubing is built to withstand wear and tear. The tubing’s flexibility makes it a breeze to work with. This tubing will never crack, harden, or kink. The light green hue also virtually disappears when in water.
✓SAFE FOR FISH: Our Standard 3/16” Airline Tubing is made of fish-safe silicone, and can be used for both freshwater and saltwater tanks.
✓MEASUREMENTS: Length = 20’ / Inner Diameter = 4 mm / Outer Diameter = 6 mm.
✓SHOP PENN-PLAX FOR ALL YOUR PET’S 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.

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17% Discount

Penn-Plax Standard Airline Tubing for Aquariums – Clear and Flexible – Resists Kinking – Safe for Freshwater and Saltwater Fish Tanks – 25 Feet

Penn-Plax Standard Airline Tubing for Aquariums – Clear and Flexible – Resists Kinking – Safe for Freshwater and Saltwater Fish Tanks – 25 Feet

✓BASIC NECESSITY FOR AQUARISTS: As aquarists and fish-keeping hobbyists know, it’s always good to have extra airline tubing on hand. Our Standard 3/16” Airline Tubing offers a great solution for various aquarium and fish tank needs, such as connecting an air pump to an air stone, an under-gravel filter, or aquarium décor.
✓CLEAR, FLEXIBLE, AND DURABLE: Made from clear, flexible plastic, our Standard 3/16” Airline Tubing is built to withstand wear and tear. In addition to being resistant to kinking, it’s ultra-durable and should not crack or become brittle. For better connection to aquarium accessories, soak both ends in warm water for 30 seconds.
✓AIRLINE TUBING: allows for air flow and oxygen to run through in one direction preventing water from siphoning and can be used for both freshwater and saltwater tanks.
✓MEASUREMENTS: Our Standard 3/16” Airline Tubing Length = 25’ / Inner Diameter = 4 mm / Outer Diameter = 6 mm.
✓SHOP PENN-PLAX FOR ALL YOUR PET’S 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.

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10Pcs Aquarium Air Control Valves for 3/16" (4mm) ID Airline Tubing, Adjustable Black T Shaped Hose Connectors Single Way Plastic Air Flow Controllers Regulators, Air Pump Accessories for Fish Tank

10Pcs Aquarium Air Control Valves for 3/16" (4mm) ID Airline Tubing, Adjustable Black T Shaped Hose Connectors Single Way Plastic Air Flow Controllers Regulators, Air Pump Accessories for Fish Tank

✓【What You Will Get】Our aquarium check valve set includes 10 pieces Air Flow Controllers. The Aquarium Air Control Valves are essential for maintaining optimal air flow and preventing backflow, making them a must-have for any aquarium enthusiast.
✓【Durable and Reliable】Crafted from quality materials, our aquarium check valve are designed to withstand the test of time. The robust construction of this Air Flow Controllers providing consistent performance and peace of mind for your aquatic setup.
✓【Easy Installation and Use】The aquarium air valve and Air Flow Control Regulator are designed for hassle-free installation. Simply connect them to your existing setup, and enjoy precise control over the air flow in your aquarium.
✓【Versatile Applications】Our Aquarium Air Control Valves are suitable for a wide range of aquarium setups, from small home tanks to larger professional installations. Whether you're managing a freshwater or saltwater environment, these valves provide the flexibility and control needed to maintain a healthy aquatic ecosystem.
✓【Enhanced Aquarium Health】By using our Air Flow Control Regulator, you can ensure that your aquarium receives the right amount of air, promoting better oxygenation and overall health for your fish and plants. The aquarium check valve prevents backflow, protecting your equipment and maintaining water quality.

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41Ft Aquarium Airline Tubing, Soft Air Pump Hose for Fish Tank, 4mm ID, 6mm OD, 12.5M Long Flexible Clear

41Ft Aquarium Airline Tubing, Soft Air Pump Hose for Fish Tank, 4mm ID, 6mm OD, 12.5M Long Flexible Clear

✓Size - length: 12.5meter(41ft); inner diameter: 4mm(3/16”); outer diameter: 6mm(1/4”); wall thickness: 1mm(0.03")
✓Material - silicone tube with smooth interior and exterior that prevents sediment accumulation and allows easy flow and flushing, its walls are thick enough to prevent kinks but are lightweight and flexible and can withstand rough handling and multiple usage while maintaining dimensional stability.
✓Clear and unobtrusive - clear and discrete, doesn't obstruct the beauty of your aquarium landscape.
✓Application - great for fluid handling, peristaltic pumps, siphoning, draining, aquaponics and water/oil change.
✓Outward appearance - transparent and very light and soft,easily hide and blendable , fits seamlessly in home aquarium and virtually disappears in the water.

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BornFeel Aquarium Airline Tubing Connectors I T L Y 40pcs Fish Tank Air Tube Adapters for 3/16 '' Air Line Hose

BornFeel Aquarium Airline Tubing Connectors I T L Y 40pcs Fish Tank Air Tube Adapters for 3/16 '' Air Line Hose

✓Aquarium tubing connectors 40 in 1 set: 10 x Y / 10 x T / 10 x L / 10 x I.
✓Outer diameter ca. 5mm/ 0.2", inner ca. 2mm/ 0.08", fit for standard 3/16''(4/ 6mm) air lines, not for tube that is 2mm x 4mm (inner x outer).
✓It’s a little larger. You can put the end of the tubing in hot water for a little bit and it will make the tubing go on better.
✓Made of HARD PLASTIC for long-time use, non-toxic and very rigid.
✓Great accessories for your fish tank tube, air pump, check valve, bubble stone connection.

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