Adjustable fit for various tanks: This scuba tank carrier features an adjustable design that accommodates 7–12 L oxygen bottles, delivering a secure and comfortable fit for divers of all shapes and sizes while diving. strength nylon construction: Made from durable nylon and plastic materials, this dive tank holder is built to withstand underwater conditions and provide reliable support for your scuba adventures. Quick attachment mechanism: Designed with user convenience in mind, the holder allows for hassle setup with easy attachment and detachment of your single oxygen tank bracket. Ergonomic backpack support: The backpackstyle design evenly distributes weight across your back, reducing strain and improving mobility during dives for a more comfortable experience. Use scenario: During boatbased dive trips or shore entries, quickly adjust to different tank sizes and swap tanks between sites without tools or complicated steps. Use scenario: In dive schools or rental operations, accommodate divers with varying tank sizes and provide a reliable, consistent carry solution that simplifies transitions between gear sets. Use scenario: When traveling or moving gear between vehicle and dive site, leverage the ergonomic support to minimize fatigue and carry tanks more comfortably.