Dww Non-Toxic Silicone Tubing 4mm/6mm x 10 Meters for Air Hose, Flexible PVC Tube Ideal for Tanks and Aquariums

【Healthy and non-toxic】: Made of PVC, for long-term use, healthy and non-toxic. 【Transparent and flexible】: A transparent material can prevent the accumulation of deposits; the flexible tube is suitable for various scenes. 【Widely Used】: Excellent accessories for your aquarium tube, air pump, check valve, bubble stone connection. 【Dimensions】: Inner diameter 4 mm, Outer diameter 6 mm, Length 10 meters. 【Material】: PVC; 【Color】: Transparent