Badger Seal (Mask Fitter, Mask Sealer, Mask Brace)

What is the Badger Seal (mask fitter)? A soft, flexible and adjustable “frame” that significantly improves the outer seal of a mask. Why use it?  Increase filtration performance: Adding the Badger Seal to a 3-ply disposable mask reduces the effective particle penetration by typically 15x (see the Performance section below). Breathability: Instead of wearing double…