The 3M™ Secure Click™ Half Facepiece Reusable Respirator HF-800 Series is a next-generation respiratory protection solution designed to deliver exceptional comfort, simplicity, and performance. Featuring an integrated speaking diaphragm, Secure Click™ connection system, one-touch seal check, and the world's first quad-flow cartridge system, this reusable respirator helps improve communication, breathability, and worker confidence. Its low-profile design, silicone flex-joint faceseal, and adjustable 4-point harness provide a comfortable fit while maintaining compatibility with safety eyewear and certain welding and grinding shields.

Key Features

Speaking diaphragm: Designed to facilitate clear communication while working.
Secure Click™ connection: Audible click confirms proper filter and cartridge installation.
One-touch seal check: Push-button negative pressure seal check allows quick fit verification before each use.
Quad-flow cartridge system: Four airflow paths improve breathability and reduce breathing resistance.
Silicone flex-joint faceseal: Provides a soft, comfortable, and reliable seal.
Low-profile design: Enhances field of view and compatibility with certain welding and grinding shields.
Eyewear-compatible fit: Faceseal sits lower on the nose bridge for improved compatibility with safety glasses.
Two-way adjustable harness: Easy-adjust head cradle buckles allow quick tightening and loosening.

Intended Use

Designed for workers requiring reusable respiratory protection against gases, vapours, and particulates in industrial environments.

Construction and facility maintenance
Grinding, machining, and metal processing
Painting, sanding, and surface preparation
Mining, oil & gas, and transportation operations
Manufacturing, pharmaceutical, and primary metal industries

Product Specifications

Brand: 3M™
Series: Secure Click™ HF-800 Series
Product Type: Half Facepiece Reusable Respirator
Facepiece Material: Silicone; Nylon
Faceseal Type: Silicone Flex-Joint
Connection Type: Secure Click™
Harness Type: 4-Point Suspension
Speaking Diaphragm: Yes
One-Touch Seal Check: Yes
Secure Click™ Audible Connection Verification: Yes
Quad-Flow Cartridge System: Yes
Dual-Flow Cartridge Design: Yes
Low-Profile Design: Yes
Eyewear Compatible Design: Yes
Exhalation Valve: Yes
Enhanced Comfort: Yes
Enhanced Durability: Yes
Compatible with Welding Shield: Yes
Compatible with 3M™ PAPR Systems: No
Compatible with 3M™ Supplied Air Systems: No
Compatible Filters and Cartridges: 3M™ Secure Click™ Filters and Cartridges
Assigned Protection Factor (APF): 10
Use Type: Workplace / Occupational Use

Available Configurations

HF-801SD (7100172045): Small
HF-802SD (7100172051): Medium
HF-803SD (7100172000): Large

Certifications and Standards

NIOSH Approved: Approved for use with compatible 3M™ Secure Click™ filters and cartridges to help protect against a broad range of gases, vapours, and particulates.
OSHA APF 10: Provides respiratory protection for concentrations up to 10 times the permissible exposure limit (PEL) when properly fitted and used.