• Holds 2" (50 mm) square filters up to 4 mm thick
• Imperial and metric compatible
• Post mountable by M4 (#8-32) clearance hole
• Stackable
The EFH001 post mountable filter holder is ideal for holding square filters. The optic is held in place by two spring clips. The holders can be stacked together using the two through holes on the front (suitable for M4).