10 X 3m 9322 Prem Valved Dust/Mist 9322 The advanced 3 panel design of the 10 X 3m 9322 Prem Valved Dust/Mist 9322offers greater comfort, easy communication,improved wearer acceptance. Individually packed to avoid contamination, the 10 X 3m 9322 Prem Valved Dust/Mist 9322 islightweight & foldable for easy storage. Centrally positioned CPC valve prevents heat build-up. Soft cover web on inner panel ensures greater comfort on the skin. EN149 FFP2S (APF:10 x OEL).