3M 8833 Premium Valved Respirator FFP3 Comfort is a key issue when it comes to encouraging employees to wear their respirators consistently for long periods. This series sets new benchmarks in wearer comfort! The Comfort series is available in the advanced three-panel design of the 3M 9300 Flat Fold Respirator series as well as the new 3M 8300 Cup-Shaped Respirators. - Box Quantity 10