Specification Brand : Zeagle BulletPoint1 : To protect the base of your cylinders and assist in extending the life of expensive s. BulletPoint2 : Inner Diameter: approx. 170mm/ 6.7 inch; Outer Diameter: approx. 185mm/ 7.3inch; Height: approx. 145mm/ 5.7 inch BulletPoint3 : For upright storage ; protection of 12L single steel SCUBA diving cylinders tanks with a rounded base. BulletPoint4 : Scuba Tank Boots also have vents with ribs and drain holes to allow water to freely to help BulletPoint5 : Materials: Rubber Capacity : 6 Color : White ExteriorFinish : Aluminum and Stainless Steel ExternallyAssignedProductIdentifier1 : 0882689099113 ExternallyAssignedProductIdentifier2 : 00882689099113 ExternallyAssignedProductIdentifier3 : 882689099113 FuelType : Air ItemDisplayDimensions_Width : 33 inches ItemName : Zeagle 6 cu ft tank w/o valve ItemPackageDimensions_Height : 12 inches ItemPackageDimensions_Length : 4 inches ItemPackageDimensions_Width : 4 inches ItemPackageQuantity : 1 ItemTypeKeyword : diving-tank-accessories Manufacturer : Zeagle Material : Fluorocarbon Material1 : Aluminum Material2 : Stainless Steel NumberOfItems : 1 PartNumber : 331-1006 Pattern : Solid ProductDescription : Zeagle 6 Cu Ft Tank ProductGrade : like new ProductSiteLaunchDate : 2018-02-05T18:49:42.690Z Size : Two Tanks and One Speargun SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable UnspscCode : 25170000