Secure Click™ FF-800 Series Full-Facepiece Reusable RespiratorSpeaking diaphragm designed to help provide easy communication Unique filter and cartridge connection snaps into place for intuitive assembly Push button seal check is an easy way to conduct (positive pressure) seal check prior to each use Large lens helps provide a wide view for excellent peripheral vision Scotchgard protector on lens for improved paint and stain resistance Comfort cradle positions respirator more comfortably on head, reducing