Avon FM12 S10 CT12 Gas Mask Spare Part Oronasal Size 1 2/3 CBR NBC ABC SBS SAS
Genuine Spare Oronasal for Avon FM12/ CT12 Gas Mask. However, the voice emitter and exhale valve cover is smaller than that of the S10, as are the lenses. The FM12 has an overall lower profile than the S10 and sits closer to the wearer's face.