I had some excellent advice here on installation issues. I was hoping I might get some more excellent advice. Originally, I added this to my old post, but I realized it's really a new question so I'm creating this new post.
My old handler used 20x20x1 and I guess those were pretty standard because I had really no issues with any that I bought. In looking at these new ones, they vary much more in actual size 20x20x1. They left me with a couple of airguard filters (which I had never heard of). They seem to be 19 1/2 x 19 1/2 x 3 3/4
I'm looking for replacements now. I'm hoping to get decent filtration and efficiency. I do have allergies. These don't seem to be on Amazon and the actual sizes seem to vary. What would you guys recommend? Specifically the filter, online retailer, and change frequency. I was doing the old ones about every three months. On one site, I thought it said up to 6 with these but I wanted to ask.
Thanks For all the previous help and any you might give on this
My old handler used 20x20x1 and I guess those were pretty standard because I had really no issues with any that I bought. In looking at these new ones, they vary much more in actual size 20x20x1. They left me with a couple of airguard filters (which I had never heard of). They seem to be 19 1/2 x 19 1/2 x 3 3/4
I'm looking for replacements now. I'm hoping to get decent filtration and efficiency. I do have allergies. These don't seem to be on Amazon and the actual sizes seem to vary. What would you guys recommend? Specifically the filter, online retailer, and change frequency. I was doing the old ones about every three months. On one site, I thought it said up to 6 with these but I wanted to ask.
Thanks For all the previous help and any you might give on this
source https://hvac-talk.com/vbb/threads/2227347-filter-questions-recommendations?goto=newpost
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