Face Mask Filter Valves Durable ABS for Breathing Comfort - 40mm x 35mm

Anti-dust face mask filter valves are made from durable ABS material and are designed to help improve breathing comfort when exhaling. They are a practical add-on for face masks used in hot, humid, or poorly ventilated working environments, as well as during active outdoor use.

These mask valves are suitable for a wide range of applications where comfort and airflow matter, including running, cycling, hiking, skiing, motorcycle riding, climbing, and tactical training. The compact design measures 40mm x 35mm on the outside with an 18mm inner diameter, making them a useful replacement or accessory component for compatible mask projects.

Product details:

• Material: ABS
• Outer size: 40mm x 35mm / 1.57" x 1.38"
• Inner diameter: 18mm / 0.71"
• Available colors: Black, White, Clear, Red, Blue, Yellow
• Pack sizes: 10, 100, or 1000

Important: Face mask not included. Filter valve only.