Details For use with 3M™ Secure Click™ Respirators HF-800SD Series Filter encapsulated in lightweight plastic case Hard case recommended for harsh environments with a need for easy decontamination and protection Hard case helps protect against sparks and high heat Swept-back design allows an enhanced field of view and comfort Swept-back design provides wide field of view DOSH SIRIM Approved 3M™ Secure Click™ Hard Case Particulate Filter D9035, P3 R, is approved for use with 3M™ Secure Click™ Half Facepiece Reusable Respirator HF-800SD Series to provide protection against exposure to particles, dusts and oil/water based mists in environments containing certain particles. Get effective respiratory protection against exposure to certain particles, dusts, and mists with 3M™ Secure Click™ Hard Case Particulate Filter P3 R D9035. This P3 R filter is designed to protect against a wide range of particulate contaminates in higher-heat applications. An innovative solid-top air-inlet helps reduce premature loading by allowing a channelled airflow. The comfortable, lightweight design provides a wide field of vision and the filter can be clicked into place quickly and easily onto 3M™ Secure Click™ Reusable Respirators. We’ve introduced an alternative to the 3M round bayonet connector with the new 3M™ Secure Click™ connection, resulting in a quick, simple filter connection. It works just like a seat belt: simply align the connections, push until you hear a click and feel confident that filters are installed properly.