The 3M™ 6503QL Rugged Comfort Quick Latch Reusable Half-Mask Respirator (Large) is designed for superior comfort, durability, and convenience in industrial environments. Built for heavy-duty applications, this respirator features a firm yet flexible silicone face seal, providing a secure fit that maintains its shape even in high-heat conditions.

The Quick Latch Mechanism allows users to easily put on or remove the respirator with one hand, making it ideal for workers moving in and out of contaminated areas. The 3M™ Cool Flow™ Exhalation Valve reduces heat and moisture buildup, ensuring easy breathing and all-day comfort.

Compatible with all 3M™ bayonet-style cartridges and filters, the 6503QL Respirator provides protection against particulates, organic vapors, acid gases, ammonia, methylamine, and formaldehyde. The low-profile design improves compatibility with welding shields and grinding visors, making it a versatile choice for demanding industrial applications.

Key Features

Quick Latch Mechanism – Allows for easy one-hand donning and doffing, perfect for entry and exit in contaminated zones.
Durable Silicone Face Seal – Firm yet flexible, maintaining its shape and fit even in high-temperature environments.
3M™ Cool Flow™ Exhalation Valve – Reduces heat and moisture buildup, ensuring breathability and comfort.
Compatible with 3M™ Bayonet Cartridges & Filters –
Protection against organic vapors, acid gases, ammonia, methylamine, formaldehyde, and particulates.
Low-Profile Design – Expands the field of vision and improves compatibility with welding and grinding shields.
Easy to Clean & Maintain – Fewer parts and crevices, simplifying maintenance and hygiene.
Four-Point Adjustable Head Harness – Ensures a snug and customizable fit.
NIOSH-Approved – Meets industrial respiratory protection standards.

Intended Use

The 3M™ 6500QL Reusable Half-Mask Respirator is ideal for welding, painting, grinding, sanding, chemical handling, demolition, and industrial maintenance. Designed for long-term use in high-heat and harsh environments, it provides reliable respiratory protection in construction, mining, metal fabrication, oil & gas, and food processing industries.

Product Specifications

Mask Type: Reusable Half-Mask Respirator
Material: Silicone/Nylon
Exhalation Valve: Yes – 3M™ Cool Flow™ Technology
Quick Latch Mechanism: Yes
Compatible Filters & Cartridges:
3M™ Bayonet-Style Filters & Cartridges
Protection against organic vapors, acid gases, ammonia, methylamine, formaldehyde, and particulates
Head Harness Type: Four-Point Adjustable
Weight: 0.37 lbs (168g)

Certifications and Standards

NIOSH-Approved – Certified for use with 3M™ filters and cartridges
Meets Industrial Safety Standards for Respiratory Protection