Adjustable Spray Nozzle exhaust-primer install a check valve at

install a check valve at the bottom of the inlet line

Lightweight and easy to manage

the sprinkler is designed for easy installation with minimal tools

The WATERAX MARK-3® Watson Edition (model MK3-W) is the current-generation portable high-pressure wildland fire pump manufactured by WATERAX and is the highest-pressure backpackable fire pump in the WATERAX lineup

For use up to 150 psi (at 49°C (120 °F))

Adjustable Spray Nozzle exhaust-primer install a check valve atDiamond knurl grip for easy adjustments Couples to all 1 1 2 quarter turn adapters Four spray sizes (1 8, 3 16, 1 4 & 5 16) Heavy duty construction for commercial use