ZWO filter masks are used for ZWO filter wheels.
Please use the M2 screws and masks to fix the filters:
⚫ 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.