• The 3M™ Ultimate FX Full Facepiece Reusable Respirator FF-400 Series is 3M’s most rugged facepiece, providing Flexibility in X-treme environments while still delivering superior comfort and an exceptional field of view. This facepiece offers an ergonomic, streamlined design – for lightweight, balanced comfort. The Ultimate FX FF-400 also offers the following features: • Comfort head cradle - positions the respirator more comfortably on the head, reducing pressure points and hair pulling • Soft, silicone nose cup and faceseal • 3M™ Cool Flow™ Valve for easier breathing and cool, dry comfort • Large lens for excellent peripheral vision • Low profile bayonet cartridge attachments, designed for improved balance and better weight distribution • Durability & Security • Long-lasting head harness - straps pulled over one million times in durability testing • Six-strap configuration for a secure fit • Paint and stain-resistant lens • Scotchgard™ Semi-permanent Lens Cover
  • Model: 172729
  • Shipping Weight: 2.25lbs
  • Manufacturers Part #: 89421
  • Manufactured by: 3M Automotive
  • Also Known As: 3M-89421, MMM-89421

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