3M 7503 Reusable Half Face Mask, Large

Professional-Grade Respiratory Protection with Lasting Comfort

The 3M 7503 Half Facepiece Respirator is part of the advanced 7500 Series, engineered for professionals who require reliable protection and comfort in challenging environments. This large-sized mask is ideal for users who need a secure fit with maximum flexibility.

Its soft silicone construction provides a secure yet comfortable seal that adapts to facial contours. The built-in 3M™ Cool Flow™ Valve minimizes heat and moisture buildup, helping users breathe easier even during intensive or long-duration tasks.

🔍 Technical Specifications

• Size: Large

• Material: Soft, hypoallergenic silicone facepiece

• Exhalation Valve: 3M™ Cool Flow™ Valve

• Head Harness: Dual-mode (standard or drop-down) for versatile use

• Connection Type: Bayonet – compatible with a wide range of 3M™ filters and cartridges

• Weight: Approx. 135 grams

• Certifications: NIOSH-approved when used with certified 3M™ filters or cartridges

✅ Key Features & Benefits

• Superior Comfort: Silicone design ensures long-wearing comfort and minimized pressure points

• Improved Breathability: Cool Flow™ Valve expels hot air for a cooler interior environment

• Flexible Fit Options: Drop-down harness allows for easy donning and doffing without removing head protection

• Wide Filter Compatibility: Supports 3M™ 2000, 5000, 6000 series filters and TR-600/TR-800 air systems

• Durability for Reuse: Engineered for repeated use in tough industrial settings

🛠️ Ideal Applications

• Painting and chemical handling

• Welding, cutting, and grinding

• Marine and shipbuilding environments

• Construction and industrial maintenance

• Hazardous material handling