Fenix Multi-Color Filter Set Multi. 0 flashlight. This versatile filter kit includes red green blue and yellow lenses each designed for several tasks ranging from hunting and tracking to signaling. The 2.68in (68mm) adapter fits securely on your flashlight head for a precise reliable fit in any environment. Specifications for Fenix AOF-18 Multi-Color Filter Set: Manufacturer: Fenix Color: Multi Package Contents: Fenix AOF-18 Multi-Color Filter Set Fenix AOF-18: AOF-18 Multi-Color Filter Set Multi