On Jul 28, 1:52*pm, kansascats wrote:
Does anyone just fac the intake side of these filters and keep using
for another few months?

Nothing wrong with having a 'prefilter'. Saw one a few days
ago, where a woman had made what amounted to a 'pillow
case' with a spot of Velcro on a flap. She just takes the filter
out, shakes to fuzz from the 'prefilter', puts it back together.