Apollo 600 HP & LP Supplied-Air Respirator

The Clemco Apollo Series Supplied-Air Respirators are hallmarks of safety, comfort, and performance. Recognizable by their bright red-orange color, Apollo 600 Respirators are easily visible on the job site. Their wide-span window offers the wearer a commanding view of the work surface and broad-scope peripheral vision. The 600 has new features making it comfortable to wear, easier to maintain, and more durable, promising a long service life. The Apollo 600 is a single-shell helmet with two adjustable suspension options. The DLX comfort-fit suspension (2 sizes) surrounds the operators head with comfortable padding.

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How durable is this helmet i use a bullard and have had it 3 years but i like your features and what is the cost on replcement sheilds and hoods