This is a complete single tank BCD with Deluxe Harness System, hydro-dynamic doughnut style air cell and Stainless Steel Backplate. It has a narrow frontal profile to really improve streamlining in the water when in swimming position. The minimalistic harness also give more chest room for easier access to attachments and better manoeuvrability underwater. The maximum scuba cylinder size that can be used is a single 15L (95cft). Features Components Include: HB-2: Deluxe harness & buckle set HB-3: Crotch strap set HB-4: Back plate & pouch HB4- SCREW SET: Plate pad harware HD-30H: BCD handle JT-WP7: 2 Tech BCD weught pockets (8.8lb / 4kg ea) BP-3: Stainless steel back plate Single bladder air cell + IF - Tech standard tech BCD power inflator + LP-BC low pressure hoses TAD-1: Single Tank Adaptor ??BP-2: 2 Tank belts