3M Rugged Comfort Quick Latch Half Facepiece Reusable Respirator 6503QL, NIOSH, Cool Flow Exhalation Valve, Bayonet Connection, Silicone Face Seal, for Gases, Vapors, Dust, Maintenance, Construction,L

Wear It Right (always read and follow user instructions) Step 1 Place the respirator over the mouth and nose, with bottom straps unfastened.

Place the top strap over your head, placing the head cradle on the crown of your head. Step 2 Grasp the straps, place them at the back of the neck and hook them together. Step 3 Adjust strap tension by pulling ends until a secure fit is obtained.

Balance strap tension by adjusting the top and bottom strap buckles.

Do not overtighten.