3M 7500 Series Silicone Half Mask Respirator Assembly Size:L so please make sure you

so please make sure you pick your Australian size when purchasing these boots

NIOSH approved against certain acid gases

Meets ASTM F1506-10A

A BVM is a portable and often compact resuscitator that enables medical rescuers to assist with patients who have difficulty breathing or who have stopped breathing in emergency medical situations like cardiac arrest

3M 7500 Series Silicone Half Mask Respirator Assembly Size:L so please make sure youFeatures: Advance silicone material for increased comfort and greater durability Proprietary 3M CoolFlow valve helps makes breathing easier Dual mode head harness adjusts easily for either standard or drop down mode Exhalation valve cover directs exhaled breath and moisture downward to reduce fogging Recommended Uses: Assembly and Mechanical Chemical Clean up Chemical Handling Chipping Chiseling Cleaning Furnace Operations Grinding Laboratories