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 Apollo 60 features double-shell construction, sound-deadening foam, and large window.
The Apollo 20 is the economical choice with simplified cooling and single shell construction.
Choose the 600HP, 60HP, or 20HP if you are using the air compressor to supply breathing air to the helmet. Remember, if using the HP series, you will need 15 CFM of available air from the air compressor.