I ordered a set of filters just like these, but they were labeled as Penivo instead of Anbee:
https://www.amazon.com/gp/product/B076P8C5JD/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1
If the weather is agreeable tomorrow here in Central Cali, I'll give that 9-shot horizontal pano a try and let you know.