RZ Mask Environmental Mesh Reusable Dust Mask

This RZ Masks Environmental Mesh Dust Mask has a dual-exhalation valve system that removes moisture and keeps unfiltered air out, letting you breathe more comfortably. The lightweight mesh is breathable to keep your face cool and comfortable in warm weather. 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.