Need a float that gives hundreds of pounds of positive buoyancy? This 15" (38cm) inner tube is just what you need. This type of float can support several divers if required. If you teach diving, it allows you to give the same support to several divers along with the ability to hang several weight belts with 20 to 30 lbs (9 to 13.6kg) of lead each. The inner tube is probably the most versatile float available. Inflates with a standard gas station car tire inflator, or you can get one of our BCD quick disconnect tire adapters so you can fill it right on the beach or boat, See SKU: AQUTI Tire Inflator. Combine your inner tube with a float cover and you now have a storage area for dive lights, wrest compass, spare lead, speared fish, abalone the applications are endless See SKU: AQUHDCDF Trident Heavy-Duty Cordura Divers Tube Cover.