How would a deflector stop a rock from getting kicked up and hitting the fins? Do you know how large the openings are? Any images of the backside?
I ordered 2 of these:
1 PC 11”X14” (28cmX36cm) Wire Mesh 5 Mesh, Sturdy Metal Mesh Sheets for DIY Projects 304 Stainless Steel No Rust Mesh Screen
https://a.co/d/di56BLr