3M™ - 501 Filter Retainer 17 x 8.5 x 9.3125 corrugated box High strength seams will keep

High strength seams will keep contents intact even if over packed

Removable rotating clip

This box is for large pictures or other large flat items

Chemical and mildew resistant

3M™ - 501 Filter Retainer 17 x 8.5 x 9.3125 corrugated box High strength seams will keep3M Half Facepiece Reusable Respirators offer the user comfort and convenience coupled with the cost savings of a reusable respirator. Reusable just dispose of the cartridge and filters when used to capacity. The swept back design of the cartridges improves balance and visibility. Can be disassembled, cleaned and reused. Very light weight. Easy to adjust head straps. NIOSH approved for use against particulates and a variety of gases and vapors at