These ZAMP RZ Top Air Adapters shields fit all ZAMP RZ helmet models.
(Full compatibility list below)

RZ Top Air Adapters allow intake for fresh air comfort circulated through air port channels directed onto the visor, minimizing fog and contaminates while also providing fresh air and cooling comfort. Typically used for closed cockpit stock cars and at dusty tracks to feed fresh air to the driver. These easy to install RZ Top Air Adapters are compatible with all ZAMP RZ series helmets. Comes in Matte Black, Gloss Black, and White with Regular and Low Profile versions.

The Low Profile Adapter allows you to connect a standard 1.5" round hose to the Low Profile Intake.