Bullard V20100ST 1/2" X 100' Rubber Industrial Interchange Supplied Air Hose (For Use With Free-Air Pumps) (1/EA) Bar Supplies *Safedge® Rim *Product Dimensions H:

*Safedge® Rim *Product Dimensions H: 7 7/8 T: 2 5/8 B: 3

They run up to 4 continuous hours on two "AA" alkaline batteries

so you don't get fully hydrated

*Heat Treated *Safedge® Rim *Product Dimensions H: 4 1/4 T: 2 3/4 B: 2 3/4

Bullard V20100ST 1/2" X 100' Rubber Industrial Interchange Supplied Air Hose (For Use With Free-Air Pumps) (1/EA) Bar Supplies *Safedge® Rim *Product Dimensions H:Bullard Free Air pumps transfer ambient air from a breathable air source to a supplied air respirator. The ambient air is filtered through an inlet filter and a Carbofine outlet filter before entering the respirator's air supply hose. No carbon monoxide, oil vapor or oil mist is produced; therefore, carbon monoxide monitors, high temperature alarms or airline filters are not required. No calibration necessary. Supplied air respirators used with these