Filter – Sundstrom SR515 Gas Filter ABE1 Threaded for SR 500 Series PAPR Units

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

Earmuff – Neckband Howard Leight VeriShield VS120 (CL 5 – 27dB)

Earmuff – Headband ProChoice Adder (CL5 – 32dB)