If you don't have one you need one

This product dusts over the surface of freshly colored concrete flatwork before using a pattern-stamping tool

heavy duty cleaning

• Air caps engineered for precise atomization

Allows stacking pallets two high without use of fork truck

Allegro CO Monitor, 115 VAC to 9 VDC size_7-25-in If you don't have oneDescription CO Monitor, Includes Adjustment Knob, CO Monitor, Pressure Gauge, Pressure Regulator, Maximum Pressure 150 psi, System Type SAR System Dimensions Height 10 in Depth 12 in Width 5 in Details Item CO Monitor Includes Adjustment Knob, CO Monitor, Pressure Gauge, Pressure Regulator System Type SAR System Fittings 1 4 in Hansen Standards OSHA Includes Filtration Yes Includes Oxygen Monitor No Includes Carbon Monoxide Monitor Yes Power Options