Filter – Sundstrom SR597 Gas Filter A1B2E2K1 Threaded for SR 500 Series PAPR Units

Earmuff – Headband 3M Peltor Optime I H510A Yellow (CL5 – 28dB)

Earmuff – Headband 3M Peltor Optime III H540A Blk/Red (CL5 – 33dB)

Earmuff – Cap Attach 3M Peltor Optime II H520P3GS/E Green (CL5 – 29dB)