The complete guide
Mesh size vs blockage risk — SDLDEER Gutter Guards 6Pcs Plastic Gutter Balloon Outlet Guards
A finer mesh keeps out more debris but also silts up faster with fine grit and moss spores, needing an occasional brush-off; a coarser guard like the SDLDEER Gutter Guards 6Pcs Plastic Gutter Balloon Outlet Guards lets more water through unimpeded but won't stop small seed pods or pine needles. Match the guard to what actually falls on your roof rather than buying the finest mesh available by default.