【Use】: The flat bottom protector is able to protect the base of your cylinders and assist in extending the life of expensive air tanks. 【Design】: The diving accessories has dense groove design in the inner side to prevent tank fall off. - 【Efficient Drainage】: The tank features drainage channel hole that allow water to quickly, making it an ideal choice for underwater activities. Galvanized scaffolding coupling pin with spring clip Harilla Scuba Tank Boot and Cap, Cylinder Tank Boot, Portable 6.8L Wear Resistant Lightweight Underwater Accessories Diving Tank Boot ; £19.79 ; FREE delivery 7... Diving Tanks - D / Diving Tanks / Diving & Snorkeling Equipment Specification: - Material: PPSize Chart:Diameter: 15.7cm/6.18inchPackage Includes:1 Scuba Tank BootNote:Please allow slightly errors 1-2cm differences due to manual measurement. Description: - 【Premium Material】: The scuba tank boot is made of pp materials, which is able to support long service life. Diameter: 15.7cm/6.18inch. - 【Use】: The flat bottom protector is able to protect the base of your cylinders and assist in extending the life of expensive air tanks. 【Upright Storage Protective】: The tank upright storage protective cover parts can ensure upright storage and protection of standing air cylinders. Diving Boot Scuba Tank Boot Cover Protection Base Upright Storage 6.8L Black Tank Hose Storage