3M HF-52 respirator dust mask new upgrade 1211 respirator mask particulates dust pollen Radioactive dust respirator face mask Plastic Containers Dimensions(L*W*H):209*155*46 cm Adjustment Angle of

Dimensions(L*W*H):209*155*46 cm Adjustment Angle of Back Section:115°~180° Adjustment Angle of Foot Section: 145°~180° The drawer can press the pop-up

and institutional environments

3M recommends reducing the NRR by 50% for estimating the amount of noise reduction provided

Aluminum frame with latex-free handle and tips

3M HF-52 respirator dust mask new upgrade 1211 respirator mask particulates dust pollen Radioactive dust respirator face mask Plastic Containers Dimensions(L*W*H):209*155*46 cm Adjustment Angle ofBrand Name: 3M Model Number: 3M HF 52 dust mask Shell material: Silica gel Filter cotton material: Anti static cotton Features: respirator mask