Features 1Leakproof: The tank valve dust plug effectively keeps the tank valve clean and free from dirt, debris, and contaminants, prevents the seal ring from falling off, ensuring a secure and leak free seal. 2Excellent Replacement: Specifically designed as an ideal replacement accessory for underwater SCUBA DIN first stage regulators, offers a reliable solution to keep the tank valves in optimal condition during diving activities. 3Retention Cord to Prevent Loss: The tank valve dust plug can be easily attached to the first stage regulator with the help of a retention cord, minimizing the risk of losing it. 4Durable Construction: Made from high toughness aluminum alloy materials, the tank valve dust plug is designed to withstand the demanding conditions associated with diving. 5Added Security: By providing added security and protection, it offers peace of mind to divers and ensures the integrity of their equipment during dives. Specification Item Type: Dust Cap Material: Aluminum Alloy Package List 1 x Dust Cover