leaf filter or leaf guard?

Neither. I get the clip on sections at Home Depot for about $2 per 3’ section. Work great been up there for years and did whole house for less than $100.
https://www.homedepot.com/pep/Ameri...M466f1UntLnALJO9SZnj-reNs-eWUY5AaAs49EALw_wcB