You get a lot of BC with IST’s J-1200 Hydro D. This full-featured, light weight, back inflation BC is constructed of rugged 840 denier nylon with a harness system that can be easily adjusted to provide a personalized fit.
IST Sports’ J-1000 Alpha is a full-featured, all-purpose BC. During ScubaLab’s 2010 BC tests, the Alpha earned big points with test divers for its ultra-compact yet responsive power inflator, and its overall valve system.
IST’s JT-50D tec BC is a rugged, modular system designed for twin-tank scuba diving. ScubaLab’s test rig came with a stainless-steel back-plate, deluxe harness, back pad, weight pockets, 50lb-lift air cell and a set of twin-tank bands.