I had the same problem. I had them specially made for awhile then stopped because of the cost. I am assuming the filter is for the return??? If so enlarge the size of the opening. Worked for me.
Posts: 17622 | Location: Stuck at home | Registered: January 02, 2015
Originally posted by Mustang-PaPa: Could you not build an adapter frame or semi frame to get you to a std size filter.
A little effort might make filter finding easier.
Perhaps with some sheet metal frigging around, but I'd rather not have to do that. Amazon has a bunch of choices in this size, I was surprised. Just none that are less than MERV 8. Hardware and big box stores never heard of this size.
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it is likely possible to take out the odd size and replace it with a standard size. a little bigger wont hurt the airflow. the duct itself is the choke.
------- Trying to simplify my life...
Posts: 5241 | Location: Commonwealth of Virginia | Registered: January 15, 2007
I ended up ordering a six pack of MERV 8's from Amazon. As you, Excam_Man, has suggested in the past, I wanted a less "efficient" filter, but I'll plan to replace these a bit more often.
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Thanks for the reminder, it's time to change the filter....
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Posts: 24754 | Location: St. Louis, MO | Registered: April 03, 2009
K&N the automotive filter company makes high flow HVAC filters, I checked and the closest size to your filter is a 16x20. They did have my shop filter size of 16x25 $31.99 and free shipping. Decided to order it and give it a try.
Posts: 463 | Location: Kansas | Registered: August 28, 2020