Godox Slide Filter AK-S04 (10 pcs) The Godox Slide Filter AK-S04 is suitable for use with the AK-R21 Projection Attachment. It contains 10 creative effect projection slides. Characteristics 10 creative effect projection slides: Space travel Stained glass window Futuristic Space Church Window Fluid colors Window grids Futuristics Tunnel Constellation Planet Colorful Nebule