• Exclusive easy-breathing wave design • Unique waves double the filter surface area of our comparable respirator • Dura-Mesh® shell provides bi-directional protection from dirt on the outside and moisture on the inside • Less resistance, better breathability* • FlexFit® design expands and contracts as you move and speak, for optimal comfort • Ideal where unvalved respirators are preferred • Less cost than valved respirators • Longer wear means less cost • Softspun® lining for increased comfort and durability • Soft foam nose cushion and contour shaped for comfort • Pinch free nose bridge • Meets heat and flame resistance in accordance with ANSI/ISEA 110-2003 Section 7.11.1 • 100% PVC-Free®