Product review (1 stars): I change my own filters because it's so easy, but I've always purchased from Lowes or Home ...
As with other reviewers, this pad caused my unit to leak behind the frame which holds the pad and down the side of the furnace on which it is mounted.  I paid a $60.00 trip charge to find this out.  I change my own filters because it's so easy, but I've always purchased from Lowes or Home Depot.  So glad that we have these reviews, even though I read this one after the fact.  I just couldn't imagine that something so simple could get screwed up being made generically.  Live and learn.  Unfortunately, the box of furnace I had sitting next to the furnace became wet also.  Thanks for the convenience of buying on line, but I think I will be doing so for quite a few things, less and less.