Optrel Swiss Air Replacement Pre-Filters 50/Pack - 4088.410 medium arc length On all varieties of cast

On all varieties of cast iron

The Optrel e3000X is the most powerful ventilated breathing protection system available on the market

The Helix 2

it is well-suited for TIG applications where visibility and precision are critical

ATEX Zone 2 and 22 certified

Optrel Swiss Air Replacement Pre-Filters 50/Pack - 4088.410 medium arc length On all varieties of castSet of 50 pre filters for the 4700. 010 Swiss Air PAPR (powered air purifying respirator) system. Serves as a protective preliminary filter for the 4088. 400 particle filter. Pre filters are designed to extend the life of your particle filter. For best results, change your pre filter often. Compatible with Swiss Air PAPR only. Not compatible with the e3000x PAPR.