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

Earmuff – Neckband 3M Peltor Optime I H510B Yellow (CL4 – 25dB)

Earmuff – Cap Attachable Howard Leight VeriShield VS120 (CL 5 – 28dB)

Earmuff – Headband ProChoice Adder (CL5 – 32dB)