Finetta High NRC
/ NRC = 0.75
Octave 70 High CAC
/ NRC = 0.70
Octave 75
/ NRC = 0.75
Octave 75 Humancare
/ NRC = 0.75
Octave 80
/ NRC = 0.80
Octave 80 High CAC
/ NRC = 0.80
Octave 85
/ NRC = 0.85
Octave 85 black
/ NRC = 0.85
Octave 85 Humancare
/ NRC = 0.85
Octave 90 High CAC
/ NRC = 0.90
Octave 95
/ NRC = 0.95
Sandila NRC
/ NRC = up to 0.70
Sandila/N
/ NRC = up to 0.60
Sanitas 02 | Plain
/ NRC = 0.15