North by Honeywell Half Mask Respirator, Reusable, Series: RU8500, L Size, Woven Headstrap, Threaded Connection, Silicone, Royal Blue.Improve productivity and maintain compliance with the North by Honeywell RU8500 Series half mask. The RU8500 is one of the only reusable half masks on the market with a speech diaphragm. This feature offers improved speech clarity eliminating the need for workers to leave the work space or doff the mask in order to communicate. Made from soft, flexible silicone, the RU8500 provides workers with a comfortable fit for hours of use while the dual sealing flange provides an excellent facepiece seal. The RU8500 also has the unique option of a diverter exhalation valve cover, which directs exhaled breath downward and is ideal for painting/coating/sealing.