Filter – Sundstrom SR710 Particulate Filter PAPR P3 Threaded for SR 500 Series PAPR Units
Can only be used in with the SR500
Earmuff – Headband 3M Peltor Optime I H510A Yellow (CL5 – 28dB)
Earmuff – Headband Howard Leight VeriShield VS120 (CL 5 – 30dB)
Earmuff – Folding 3M Peltor Optime II H520F Green (CL5 – 32dB)