On Jan 23, 11:36*pm, "hr(bob) "
wrote:
On Jan 23, 10:28*pm, "ps56k" wrote:





I've had this on again off again mental debate
concerning our furnace filter.
It's the usual 20x25, and I get the upgraded pleated version,
vs the plain fiberglass version.

However, in my mind, the pleated version
restricts the air flow more so than the fiberglass - nature of the beast.