Tubing & Accessories
Explore KOOIAQUA tubing and accessories for aquariums and fish ponds. This category brings together air tubing, air pump accessories, aquarium pipe fittings, and other supporting components for aquatic equipment and systems. Find suitable accessories for air and water connections, equipment installation, and routine maintenance. Whether adding components to a new setup or replacing existing parts, select products according to the equipment specifications and intended use. Review individual product pages for materials, dimensions, tubing inner and outer diameters, connection types, and operating conditions. Confirm compatibility with your air pump, water pump, filtration equipment, or existing pipework before ordering. Aquarium and pond equipment retailers, distributors, installers, and wholesale buyers can contact us with product specifications, matching requirements, and expected order quantities to discuss available options.
21 products
Flexible, shape-retaining PVC airline tubing with a 4 mm inner diameter and 6 mm outer diameter, supplied in 200 m rolls for aquarium air pump systems.
A clear PS elbow connector for routing aquarium air pump tubing through a 90° turn.
Distribute aquarium air pump output to multiple air lines with individual airflow control. Available in 2-, 3-, 4-, 6- and 8-way versions.
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Distribute air from one aquarium air pump line to multiple air lines with a PE air manifold, available with 2, 3, 4, 6, 8, 10, 12 or 16 outlets.
A compact one-way valve for 4 mm aquarium airline tubing that helps prevent water from flowing back toward the air pump when airflow stops.
A clear aquarium feeding cup with a slotted base and suction-cup mount, available in small and large sizes for keeping bloodworms at a designated feeding point.
Makes water changes easy by holding hoses approximately 8–16 mm in diameter at the rim of an aquarium or bucket.
Clear suction cups with closed-ring holders help keep aquarium tubing in position, with small, medium and large sizes for different tube diameters.
Soft, flexible pvc suction cups with open clips keep aquarium airline tubing neatly positioned against the glass.
Inline check valve for one-way flow, available in six size options: 3, 4, 6, 8, 10 and 12 mm.
Flexible PVC water hose for aquarium plumbing, available in eight sizes and five color or finish options, with roll lengths varying by size.
A curved hose support with an adjustable screw clamp that holds the hose at the aquarium rim and makes water changes easy.
This glass aquarium air stone splash guard surrounds the air stone with a clear chamber, helping contain splashing around the aeration point. Its transparent construction keeps the air stone and bubble movement visible, while two suction cups hold the assembly against the aquarium wall.
Compact metal air control valves with 4 mm inlets and outlets and individual lever adjustment, available in single-outlet and multi-outlet designs for organizing and balancing aquarium air lines.
Distribute one aquarium air supply to multiple air lines with a metal gang valve featuring individual lever controls, an inlet for 8 mm I.D. tubing and outlets for 4 mm I.D. tubing.
Flexible PVC aquarium airline tubing with a 4 mm inner diameter and 6 mm outer diameter, available in ten colors and supplied in 100 m rolls, with 8 rolls per carton.
Connect three aquarium air lines with a translucent PP Y fitting for 4 mm I.D. tubing, featuring raised retention rings that help resist tubing disconnection under air pressure.
Compact PVC air control valve with a ribbed rotary cap and right-angle hose connections for adjusting airflow in aquarium aeration setups, supplied in bags of 200 pieces.
A 90° polypropylene connector with barbed ends for flexible tubing, available in 4 × 4 mm, 4 × 6 mm and 4 × 8 mm size options.
PVC aquarium tube holders with detachable U-shaped clips, available in black and white with seven clip sizes to help keep tubing arranged along the tank wall.
A floating glass aquarium thermometer with Celsius and Fahrenheit scales, a visible red liquid column, and a suction cup for mounting inside the tank.