Mydent International offers the Defend+Plus Pleated Procedural Ear-Loop Mask, which meets all criteria for ASTM standards for Moderate Barrier protection. The mask is perfect for dust, airborne particles, moisture, spray, and splatter. It is manufactured from soft, 3-ply, fiberglass-free material and pleated for ultimate comfort. Elastic ear-loops are latex-free. DEFEND. Works Better. Lasts Longer. Costs Less. Highest protection (BFE and PFE). Anti-fog foam nosepiece, Superior allergen protection 50 per box #MK-4046 Blue.