Aquarium Air Pump Kit – Air Stone, Aerator, Check Valve & Tubing

Complete Aquarium Air Pump Accessories Kit

Keep your fish tank thriving with this all-in-one aquarium air pump accessories kit. Featuring an air stone, bubble aerator, check valve, oxygen tubing, suction cups, and connectors — everything you need to boost oxygen circulation and keep your aquatic life healthy and active. Made in Mainland China.

Why You'll Love This Kit

• Compact & Durable Air Stone: Each cylinder measures just 2.2 cm (0.87 in) diameter × 2.2 cm (0.87 in) height — small but built for continuous, reliable bubbling. Perfect for small to medium fish tanks and aquariums.
• Dense Bubble Output: The air stone cylinders produce a generous flow of fine, dense bubbles that significantly increase oxygen solubility in your tank, promoting a healthier aquatic environment.
• Versatile Connectors Included: Comes with 1 straight connector and 1 T-joint connector, both compatible with standard 4 mm (0.16 in) air tubing. Easily split one air source into multiple outlets for flexible tank setups.
• Secure Suction Cups: Soft, clear plastic suction cup holders grip standard 4 mm air hoses and adhere firmly to smooth tank glass or acrylic surfaces — no tools needed.
• Check Valve Protection: The included check valve prevents back-siphoning of water into your air pump, protecting your equipment and keeping your tank setup safe and clean.

Specifications

• Material: Plastic, Metal, Silicone
• Air Stone Size: 2.2 cm D × 2.2 cm H (0.87 in × 0.87 in)
• Tubing Compatibility: Standard 4 mm (0.16 in) air hose
• Color: As shown
• Country of Origin: Made in Mainland China

Package Includes

• 1 × Air Tube
• 1 × Check Valve
• 3 × Suction Cups
• 1 × Air Stone
• 1 × Straight Connector
• 1 × T-Joint Connector
• 1 × Bubble Aerator

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Learn more: U.S. Fish and Wildlife Service

Frequently Asked Questions

Q: What size air tubing is compatible with this aquarium air pump accessories kit?

A: This kit is compatible with standard 4 mm (0.16 in) air hoses. Both the straight connector and T-joint connector, as well as the suction cup holders, are designed to fit this tubing size.

Q: What does the check valve do in this aquarium air pump kit?

A: The check valve prevents back-siphoning, which means it stops tank water from flowing back through the air tube and into your air pump. This protects your pump from water damage and keeps your aquarium setup running safely.

Q: Is this kit suitable for small fish tanks?

A: Yes! The compact air stone (2.2 cm × 2.2 cm) and included accessories are ideally sized for small to medium fish tanks and aquariums. The T-joint connector also allows you to split airflow if you'd like to use it across multiple tanks or diffusers.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.