3M Reusable Respirator Half Facepiece 7502, NIOSH, 3M Cool Flow Valve (Medium)

Standard Suspension

Place the respirator over your mouth and nose, then pull the head harness over the crown of your head.

Drop Down Suspension

While holding the head harness strap ends with one hand, slide the facepiece up onto your face.

For Both Suspensions

Grasp the straps, place them at the back of your neck and hook them together.

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 over-tighten.