Pureflo PR02510SP PAPR Visor Protector Cover Lens Calibration Kits This controller box can handle

This controller box can handle up to two locally mounted or remotely connected gas detection sensor heads

Like all the Beacon series fixed systems

Ambidextrous for longer wear

You can replace the battery (which provides nearly 3 years of run time) and the sensors

Durable polyester and tricot fabrics

Pureflo PR02510SP PAPR Visor Protector Cover Lens Calibration Kits This controller box can handleThe Gentex Pureflo PR02510SP visor cover lens protectors are a great way to protect your investment. When placed over the main lens of your Pureflow ESM+, ESM, or PR02000 PAPR, they protect the lens from scratches and early wear. They are sold by the pack of 4 each.