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3MS6503 - 3M 6503QL Large Half Facepiece Respirator with Quick Latch

Packaging: 1 per each
$51.84/ea $34.56/1 per each only $34.56/eaSave 33%

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OVERVIEW

3M Rugged Comfort Half Facepiece Reusable Respirator 6503QL - Large

The 3M™ Rugged Comfort Half Facepiece Reusable Respirator 6503QL is engineered for dirty, tough workplaces where durability and comfort are paramount. This specific model is the Large size variation in the 6500QL series. A standout feature of this respirator is the proprietary Quick Latch mechanism. This innovative design allows the wearer to easily drop the respirator down from their face without having to remove head straps, hard hats, or face shields. This capability is essential for workers who frequently move between contaminated and safe zones or need to communicate with colleagues without fully doffing their safety equipment.

Constructed with a resilient silicone faceseal, the 6503QL provides a soft yet firm seal that maintains its shape even in high-heat environments. The silicone material is lightweight and gentle on the skin, reducing fatigue during extended wear. The facepiece utilizes the 3M™ Cool Flow™ Valve, a technology designed to enhance breathing comfort by releasing hot, humid exhaled breath quickly. This helps prevent heat buildup inside the mask, keeping the wearer cooler and drier. The valve cover also directs exhaled air downward, which is critical for reducing the fogging of safety glasses or grinding shields.

The low-profile design of the half facepiece ensures a wide field of view and excellent compatibility with other personal protective equipment (PPE), particularly welding helmets and grinding visors. The adjustable head harness assembly features polyester/spandex straps that are durable and retain their elasticity over time. The 6503QL utilizes the standard 3M™ Bayonet Connection system, making it compatible with a broad range of 3M™ particulate filters and gas/vapor cartridges (sold separately), allowing for versatile protection against various industrial hazards.

Key Technical Specifications:

  • Model: 6503QL (Large)
  • Series: Rugged Comfort 6500 Series
  • Material: Silicone Facepiece
  • Valve Type: Cool Flow™ Exhalation Valve
  • Harness: 4-point adjustable
  • Compatibility: 3M Bayonet Cartridges and Filters
Additional Information
Brand:3M
Item:Respirator
Size:Large
Packaging Description:1 per each
Series:Rugged Comfort 6500QL Series
Harness Type:4 Point
Primary Material:Silicone, Nylon
Connection Type:Bayonet
Features:Quick Latch Mechanism, Cool Flow Valve

INCLUDED

  • 1 x 3M™ Rugged Comfort Half Facepiece Reusable Respirator 6503QL (Large)
  • User Instructions

APPLICATIONS

  • Welding and metal fabrication
  • Grinding and sanding
  • Construction and demolition
  • Painting and coating
  • Chemical handling
  • General manufacturing
  • Mining and heavy industrial

FAQ

The 6503QL uses the standard 3M Bayonet connection system, making it compatible with all 3M 2000, 2200, 5000, 6000, and 7000 series cartridges and filters.

No, the 3M 6503QL is sold as the facepiece only. Cartridges and filters must be purchased separately based on your specific hazard requirements.

Respirator sizing depends on face shape and dimensions. The 6503 is the Large model. If you have a smaller face, you may require the 6502 (Medium) or 6501 (Small). Fit testing is recommended to ensure a proper seal.

The Quick Latch is a mechanism that allows the respirator to slide down the straps and rest on the chest without removing the head harness, making it easy to communicate or take a break.

Yes, the 6503QL features a low-profile design specifically engineered to fit comfortably under most standard welding helmets and grinding shields.

The respirator can be disassembled and cleaned with warm water and mild detergent. Do not use lanolin or oil-based cleaners. 3M also offers respirator cleaning wipes (504) for daily hygiene.

Yes, the silicone face seal is designed to be resilient and maintain its integrity in higher heat environments typical of welding and industrial applications, though it should not be exposed to direct flame.

Yes, the low-profile nose bridge and downward exhalation valve are designed to accommodate safety glasses and minimize fogging.