Is there UV stabilization for the SLP61 roof louver?

The UV inhibitors for the SLP roof louver are provided in the colorant packages Air Vent uses with the plastic resin.

The UV inhibitors are provided in the colorant packages Air Vent uses with the plastic resin. The UV packages and the colorants are the same as what Air Vent uses in manufacturing molded ridge vent products. Many of these pass a simulated 5-year exposure test required for Miami-Dade county approval per ASTM G155.