3M™ HF-303 Reusable Half Face Mask Respirator - Large TR 300 EHKL 1x 3M™ Prefilter SC-6600 and

1x 3M™ Prefilter SC-6600 and 1x 3M™ Prefilter Holder SC-6602

30+ hours of battery life per charge

labs or data centres and more

could be positioned inside or outside

3M™ HF-303 Reusable Half Face Mask Respirator - Large TR 300 EHKL 1x 3M™ Prefilter SC-6600 andKey Features Previously named the Scott AVIVA 40 Size Large Compatible with the 3M Filters DT Series Hybrid reflex seal contours and flexes to the user's face to aid wearer comfort Seal check mechanism when pressed during exhale, the mask will inflate slightly showing a good seal has been achieved Integrated voice panel for enhanced voice intelligibility while wearing the mask Nose pinch allows for improved integration with eyewear Thick elasticated