Aluminium Alloy Scuba Cylinder Refill Adapter for Air Cylinder.

• PREMIUM QUALITY: The tank refill adapter is made of high-quality aluminium alloy, which is anti-rust and durable.

• EASY TO USE: Simple to operate, making diving become easy, no need to carry large scuba. Small size and lightweight, easy to carry and use.

• PORTABLE&PRACTICAL: Portable and practical, it is the essential accessory for diving. Used for filling small oxygen cylinder with oxygen from the large scuba.

• HIGH QUALITY: Adopt aviation aluminium, and meet the manufacturing standards of diving equipment.