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

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

Earmuff – Neckband 3M Peltor Optime II H520B Green (CL5 – 27dB)

Earmuff – Headband Howard Leight VeriShield VS120 Folding (CL 5 – 31dB)