Brand: KEEP DIVINGName: Diving Mouthpiece ValveModel: PJ-0004Size: As shown in the following figureMaterial: TPU+ABSWeight: 0.017KGUsage: Diving SMB, life-saving supplies, etc.Characteristic:◆ One-way mouthpiece valve, press the round pad to inflate and deflate, effectively prevent air leakage.◆ It can be inflated with a low-pressure pipe or blown with mouth, and the spiral safety buckle can prevent the nozzle from being accidentally pressed to release air.◆ Made of high-quality plastic, finely crafted and compact, sturdy and wear-resistant, and long-lasting.Method of use:When the tracheal sleeve is put on the mouthpiece valve, a hot air gun or hair dryer can be used to heat the TPU trachea, making it more convenient for the trachea to be inserted. This product is generally used as a signal tube accessory. It requires high-frequency welding and is not easy to install and replace. Please purchase with caution.Packing list:1 X Mouthpiece ValveNote:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.Please allow 1-2cm measuring deviation due to manual measurement.