Salient features Venus V-414 Slov-V FFP2 NR Respirator mask: Protect against paint mist & nuisance odour sewn adjustable double elastic. Polyurethane nose liner for comfortable fit. Elastic sewed outside filter area, no leakage, no puncture on filter. Aluminium clip for snug fit, cut seal edge, no carbon spillage filter class-FFP2 NR. Exhalation valve present. Outer flame retardant layer- Protection from welding sparks Activated Carbon layer for absorption of nuisance level of Odour and vapour. One way exhalation vent valve- provide breathing, comfort. Promotes easy communication, butterfly vent valve.