Acid Gas Cartridge for N Series, Yellow, Acid Gas/Organic Vapor ORS NASCO Groove for measuring on string

Groove for measuring on string or wire|Nail slot for drawing circles|Sliding end hook for true zero measurements|Sliding lock|

Good chemical

won't rot or mildew

Eliminates the hassles found with the old paper wrapped china markers|Handy pocket clip keeps it in your pocket|Marks won't rub off and are weather resistant|Needs no sharpening|Push-button holder advances the stick as needed

chemicals and ozone|Color-coded

Acid Gas Cartridge for N Series, Yellow, Acid Gas/Organic Vapor ORS NASCO Groove for measuring on stringLower profile so cartridges don't intrude into the work zone Easy user seal check Threaded connectors that fit North half masks and full facepieces