https://www.amazon.com.au/Glas-tR-Protector-Designed-Samsung-Tempered/dp/B08QZGQ7F9

This is the one he uses, it's non UV. I have never used it but he swears by it. Not sure if it's available in Canada or not. It's probably the Spigen you mentioned above.

I have tried the amFilm Ultra Clear Hybrid and it works flawlessly and feels very close to glass It should also be cheap.

(2 Pack) amFilm Screen Protector for Samsung Galaxy S21 Plus 5G 6.7 inch (2021), Fingerprint ID Compatible, HD Clear, Flex Film NOT Glass, Case Friendly with Easy Installation Tray https://www.amazon.com/dp/B08RZ7T1F4/ref=cm_sw_r_sm_apa_glt_fabc_SDX5VVN4HFVVX1RRRGJ1>