Safety Works N95 Harmful Dust Respirator with Valve (10-Pack) Union Tools 3 mode drive control provides

3 mode drive control provides greater control over output speed & power with a max rpm of 2

Square and Phillips bits are forged rather than milled

and a stainless steel piercing pin

Pump flow rate = 0

Excellent for use in hospitals

Safety Works N95 Harmful Dust Respirator with Valve (10-Pack) Union Tools 3 mode drive control providesExhalation valve to reduce heat and humidity build up Heavy duty fully adjustable elastic straps for optimum fit and comfort Electrostatic filter media traps dust and harmful particles while maintaining low breathing resistance Latex free and hypoallergenic for users with sensitive skin NIOSH approved N95 class