These Filter Centering Masks will make it easy to center your filters
in a ZWO or QHY filter wheel, and will block any potential light leak due
to the filters being off-center in the filter disk seat.
Simply place your filter in the filter wheel disk, place the Filter Centering Mask over the filter and fasten with screws.
The ZWO 50mm masks are known to fit the 5x50mm or 7x50mm filter wheels.
The ZWO 36mm masks are known to fit the 7x36mm filter wheel.
The ZWO 31mm masks are known to fit the 8x31mm filter wheel.
The QHY 50mm masks are known to fit all QHY filter wheels.
The QHY 36mm masks are known to fit all QHY filter wheels.
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Available on request for next day shipping.
Printed in durable, temperature tolerant PETG filament.