AIR FREE FFP1 LEVEL OF PROTECTION: FFP1 NRVALVE: without valveSHAPE: cup AIR FREE FFP1 V LEVEL OF PROTECTION: FFP1 NRVALVE: with valveSHAPE: cup AIR FREE FFP2 LEVEL OF PROTECTION: FFP2 NRVALVE: without valveSHAPE: cup AIR FREE FFP2 V LEVEL OF PROTECTION: FFP2 NRVALVE: with valveSHAPE: cup AIR FREE FFP2 C LEVEL OF PROTECTION: FFP2 NRVALVE: without valveSHAPE: cup AIR FREE FFP2 VC LEVEL OF PROTECTION: FFP2 NRVALVE: with valveSHAPE: cup