I usually change my vent filter in the spring time, in time for the spring bloom
wife get allergic to pollen easily
plus some of us like clean air and watercouldn't find a P
but close enough
p=pebhmong so you know im legit
vent filter is located in the basement on my house YMMV
dayme look at all that dirt and dust and mirco stuff that you can be breathing in
comparison between the new and old
in a little bit more light
in goes the new filter
going be breathing in more clean air