ZWO 31mm 7nm narrowband filter set. Purchased from Testar 12 months ago and selling due to upgrade to larger filter set.
Brilliant condition. All packed up in their individual boxes ready for instal.
Retail for 679. Selling for 500 inc shipping or pickup from Barangaroo, sydney.
https://www.testar.com.au/collection...nd-31mm-filter
