Designed for holding unmounted filters in place in ZWO filter wheels.

How to Use the ZWO Filter Masks

• Remove the screws securing the back cover and remove the back cover.
• Place filters onto the filter positions.
• Use the included M2 screws with masks to secure the filters in place.
• Replace the back cover and tighten the screws.

• Keep your unmounted filters in place!
• For ZWO filter wheels.