3M Secure Half Facepiece Reusable Respirator with Speaking Diaphragm HF-801SD Sm

BETTER BREATHABILITY: 2 dual-flow cartridges sold separately on each respirator combine to create the worlds first quad-flow cartridge system- 4 airflow paths providing greater breathability and comfort. FILTERS/CARTRIDGES SNAP INTO PLACE: Connection helps provide confidence that filters/cartridges are installed properly. Simply align the connections and push until you hear a click. SILICONE FLEX-JOINT FACE SEAL: Provides a softer feel for more comfort on your face. The advanced silicone material provides increased comfort and greater durability. SPEAKING DIAPHRAGM: Designed to help provide easier communication while working. PUSH BUTTON SEAL CHECK: Easy, one-touch seal check helps increase your confidence that the respirator is being worn properly. LOW PROFILE DESIGN offers a wide field of view and compatibility with certain welding and grinding shields. EASY ADJUST HEAD CRADLE buckles provide simple two-way adjustability: pull straps to tighten, squeeze wings to loosen.