Better breathability and comfort thanks to dual-sided filters. Button for checking the proper seal of the mask - helps to easily ensure that the mask fits on the face. The speaking diaphragm is designed for easier communication during work. The Secure Click™ filter attachment system assures the user (with a click) that the filters are correctly installed. Filters are not included with the mask, please order separately. Advanced silicone material for greater comfort and durability. Designed with smart and intuitive features for easy, comfortable, and reliable use. Available in three sizes: small, medium, and large.