Whats in the box:Bio-filter, Charcoal filter x 2, Allen-key wrench, Clamp wrench.
The internal condition of many diving cylinders can be very Small particles of dust, rust and oil residue are very harmful if inhaled.
BIO-MICRO removes all contaminants and odors with its medically approved highly contaminants and odors with its medically approved highly effective 2 in 1 electrostatic and activated carbon filtration system.