polarize

I'm new to both this website and the world of Mavic drones. I've had several Phantoms over the years. I'm sure this topic has been discussed before, but maybe someone can give me a quick rundown. I just bought these filters (based on a friend's recommendation)...

If I buy the polar pro PL 3 pack, can I simply turn them 90 degrees if I don't want polarization? Or should I buy a mixed set?

Did anyone tried them ? 27GBP for set of 6 filters seems to be very good price! or any other recommendations in lower price range! (I know you will say polar pro but is this really worth the difference in the price?) MRC-UV MRC-CPL ND4 ND8 ND16 ND32 Camera Lens HD Filters for DJI MAVIC Pro...

A while back I found a web site called 3DLens.com (I am not associated) which sells polarizing film out of Taiwan. There are a few different sizes and types which are dirt cheap, so I figured I would give it a shot. The site has a minimum order of $10, so I ordered an assortment of films to...