BFE ≥ 98%50 Masks/BoxMask Dimension: 5.7” x 3.75” / 14.5 x 9.5cmFinal sale. No refundable or exchange.OPSWA ASTM PEDIATRIC PROCEDURE MASK LEVEL 3 (MULTI-COLORS)C$8.00PriceColorQuantityAdd to CartPurchase Now