3M™ Secure Click™ Reusable Half Mask Respirator HF-800 Series, available in Small (HF-801), Medium (HF-802), and Large (HF-803) sizes. These smart and intuitive respirators offer comfort and reliability, featuring a silicone face seal, patented flex joint nose bridge, and an optional speaking diaphragm. The world’s first quad flow cartridge system ensures greater breathability, with two dual-flow cartridges creating four airflow paths for easier breathing. The quick and simple cartridge/filter connection, like a seat belt, ensures proper installation with a click, and the one-touch user seal check enhances confidence in the respirator fit. Designed for comfort without compromise, the respirator includes adjustable head cradle buckles, an exhalation valve for directing breath downward, and advanced silicone material for durability. Compatible with 3M™ Secure Click™ Cartridges D8000 Series and Filters D3000 Series and D7000 Series, this respirator safeguards against a variety of gases, vapours, and particulate hazards per EN approvals. Don't compromise your health—reduce exposure to contaminants with the 3M™ Secure Click™ Half Mask Reusable Respirator, properly fitted and used with approved 3M™ Secure Click™ cartridges and filters.""