3M HF-303 half-face mask

3M™ Reusable Half Mask, HF-300 Series, has been designed with user comfort and convenience in mind. Compatible with DIN threaded, 3M™ Filters DT-Series, the HF-300 offers protection against a wide range of respiratory hazards. Convenient for workplaces where different types of respiratory protection are used, the HF-300 shares the DT-Series filter range with the 3M™ Powered Air Respirator PF-600 Series and the 3M™ Reusable Full Face Masks, FF-300 and FF-600 Series, minimising the number of filter types that must be kept in stock. Please note, the 3M™ Reusable Half Mask, HF-300 Series, was previously named the Scott™ AVIVA 40 Reusable Half Mask. Features a reflex seal which contours comfortably to the wearer's face, a seal check mechanism for easier user seal checks, and an integrated speech panel for enhanced voice intelligibility while wearing the mask.