McNett Gear Aid Revivex BCD Cleaner 250 Ml. Complete cleaning and maintenance system for all types of B.C.D.s. Regular use leaves B.C.D. shell, interior lining, hose and valves conditioned and free of damaging salt crystals, chlorine and organic residue. Contains ecological scientifically balanced and biodegradable Revivex, supplied in a conveniently sized 250 ml. bottle, removes organic residue and helps your Buoyancy Control Device remain in perfect condition.