RZ Mask™ Environmental Neoprene Dust Mask | Gempler's
This RZ Mask Environmental Neoprene Dust Mask fits better than traditional face masks so you can breathe more comfortably. Available sizes: Regular (L) or XL. To determine the correct mask size measure from bridge of your nose to just under your chin. Size Regular (L) 4-4.5" and XL 4.5-5.5". If on the bubble between these measurements, refer to weight: Regular (L) 125-215 lbs. and XL 215+ lbs.