Wooden Camera Zip Box Pro 4.5" Round Filter Stage. The Zip Box Pro 4.5" Round Filter Stage from Wooden Camera is compatible with Zip Box Pro matte boxes with up to 114mm rear openings.

It supports mounted 4.5" round filters up to 8mm thick and features a thumbwheel that spins the filter to the desired position..

• Fits up to 114mm Zip Box Pro Matte Boxes
• For 4.5" Round Filters up to 8mm Thick
• Position Adjustment Thumbwheel