Ø 1.0inch Filter Mounts

◆ FW1-6  Ø1.0" Filters  6 Capacity ,One Wheel

◆ FW1-12 Ø1.0" Filters 12 Capacity ,Two Wheel

◆ M27X1P Internal Thread 

FW Filter has 6 and 12 Capacity two option.

It Only need to turn the wheel to switch to a different location.

In order to ensure the repeatability of switching and avoid confusion when switching.

FW internal positioning with tenon, the frame surface with numbers.