Compete Audio BS30 foam replacement microphone windscreens (microphone covers) (2-pack) for use with Bose Aviation, BlueParrott trucker headsets 2 foam replacement windscreens for Bose Aviation and trucker headset microphones Fits Bose Aviation X, A220 Aviation headsets, Telex Airman 850, Bosch Fits truck driver headsets like Blueparrott B250-XT, B350-XT, Road Warrior. Full product dimensions in description. Also see images for size comparisons. Includes "10 Tips for Better Audio Recordings"