D58 Red filter

Ferei Red filters for FT20 or FT25 Flashlight:

• Easy to attach, easy to remove.
• Fix the filter with Ferei silicon rubber case on the head of FT20 or FT25 ,the flashlights will produce Red beam light.
• Red light is commonly used to help to preserve night vision and also reduces the probability of alerting game animals, which generally do not pick up red light as well.