Aquarium Air Line Hose 2m Standard 4/6mm Hose for Aquarium Air Pump, Pure PVC Flexible Hose for Aquarium, Garden, Terrarium and Pond

Pure PVC Tubing: The air duct tubing is made of pure PVC. It is highly flexible, durable, and scratch-resistant. Its thickened design allows for careful handling and repeated use. Versatility: This PVC aquarium tubing is ideal for most basic aeration setups. It is perfect for fish tanks, aquariums, hydroponics, ponds, water gardens, siphon systems, laboratories, and more. Standard Size: 4/6 mm diameter (4 mm inner diameter and 6 mm outer diameter). They are perfectly suited to most common air systems, such as oxygen, CO₂, or other high-pressure systems. Twist-resistant: The wear-resistant hose can be twisted freely without tangling. The smooth inner surface effectively prevents sediment buildup and allows for a consistent airflow. Safe and reusable: The PVC aquarium tubing is safe and reliable; it resists cracking, high temperatures, corrosion, and leaks. Reliable for long-term use.