The 3M™ Secure Click™ HF-801SD Reusable Half-Mask Respirator is designed for enhanced respiratory protection, comfort, and ease of use. Engineered with a Secure Click™ connection system, this respirator provides a simple and intuitive filter and cartridge attachment, ensuring a secure fit with an audible click confirmation.

Constructed with a soft silicone face seal and a patented flexible nose bridge, the HF-801SD model offers a superior fit and increased user comfort during extended wear. The innovative speech diaphragm improves communication on the job, reducing the need for workers to remove their respirators while talking.

Designed for use with 3M™ Secure Click™ Cartridges and Filters, this respirator provides protection against particulates, gases, and vapors when paired with the appropriate components. The push-button seal check feature allows users to easily verify proper fit, while the slim, low-profile design ensures a wide field of vision and compatibility with welding and grinding shields.

Certified by NIOSH, the HF-801SD Secure Click™ Respirator is an industry-leading solution for professionals in construction, metalworking, chemical processing, and general manufacturing.

Key Features

Secure Click™ Filter & Cartridge Connection – Intuitive snap-in system with an audible click for a secure fit.
Dual Flow Cartridge Design – Allows air to flow from both sides, making breathing easier and more comfortable.
Integrated Speech Diaphragm – Enhances communication on the job, reducing the need to remove the mask.
Push-Button Seal Check – Ensures proper fit and seal verification before each use.
Soft Silicone Face Seal with Patented Nose Bridge – Provides a softer, more adaptable fit for increased user comfort.
Easy-Adjust Head Straps – Four-point head harness with quick-release buckles for a secure and adjustable fit.
Downward-Facing Exhalation Valve – Directs exhaled air and moisture away from the face, reducing fogging of eyewear.
Slim Profile Design – Improves visibility and compatibility with welding and grinding shields.
Lightweight and Durable – Weighs only 177g, offering extended wear without discomfort.
NIOSH-Approved – Certified for use in various industrial applications when used with approved cartridges and filters.

Intended Use

The 3M™ Secure Click™ HF-801SD Reusable Half-Mask Respirator is ideal for professionals in construction, manufacturing, chemical processing, mining, metalworking, oil & gas, and pharmaceuticals. It is designed for tasks such as grinding, sanding, cleaning, painting, chemical handling, and machining, where respiratory protection is critical.

Product Specifications

Brand: 3M™ Secure Click™
Model: HF-801SD
Material: Silicone facepiece with nylon components
Mask Type: Reusable Half-Mask Respirator
Cartridge/Filter Connection: Secure Click™ snap-in system
Speech Diaphragm: Yes – Enhances communication
Exhalation Valve: Yes – Directs air and moisture downward
Seal Check Feature: Push-button fit verification
Harness System: Four-point adjustable head straps
Weight: 177g
Dimensions: 134mm height x 125mm width
Color: Dark Gray
Compatible with Powered Air Purifying Respirators: No
Compatible with Supplied Air Systems: No
Maintenance: Replaceable parts available

Certifications and Standards

NIOSH-Approved – Certified for use with Secure Click™ Cartridges & Filters
Meets Industrial Respiratory Protection Standards