fuel filter

Fellow arborist, I just got a used vermeer bc1400xl and figured I should change the fuel filter on it. So, I went to the closest vermeer store and bought one. It wasn't incased in plastic, it was just sitting in the box. Is it good to use or will in have contaminats in it?

Hello, I have a Makita EA6100P with about 10 to 15 tanks through it, hasn't been tuned up yet, just started acting up. Loses power sometimes when cutting (bar horizontal), when I have the bar pointing more towards the ground it loses power quicker and stalls. Not a mechanic by any means but I...