Protogen mask! (His name is Levi) by Horseflythehivewing on DeviantArt

Protogen Mask (for BZ Protogen Base), By Loic Tomatot

Full Protogen Head Pre-Made head

Protogen Fursuits: Everything You Need To Know - Fursonafy

Big-RAM for Protogen by detail, Download free STL model

Protogen Clone by FauvFox on DeviantArt

the RPF on X: [ sound on ] protogen mask with animated LED effects that are in synch with wearer's mouth movement by @JtingF. #Mask #Cosplay #CraftYourFandom / X

Protogen Visor Study by SadStrawberryArts -- Fur Affinity [dot] net

Protogen Head - For Sale by Nitral -- Fur Affinity [dot] net

Protogen Face Mask With Filters

Blue protogen | Mask