Where refuse paper and wood combustion is the most likely fire hazard Class A water-based fire suppression may be your best choice. Illustrated step-by-step instruction label brings inexperienced users up to speed in seconds. Read-at-a-glance pressure gauge simplifies status checks. Impact- and corrosion-resistant valve and trigger mechanism ensure trouble-free operation. Easy-pull safety pin prevents accidental discharges without slowing you down in an emergency. Rechargeable.