Lampshade Compatible with M300A M300SF M600B M600C M600DF Scout Light M600DF Lamp Head Bigger Than Other Use IR Filter ,Take Off Inside Rubber Ring ,and then install，IR Lens Can't be Completely Blocked.Light Can be Seen From Light Side If IR Filter Can't Directly Install On Lamp Head ,pls Contact us ,We Will Guide u Install Protective Cover Special Shade IR Filter Lampshade,Flashlight Lens Protective Cover for Streamlight,Surefire Flashlights,M300/M600 Series Tactical Flashlight