11-27-2007, 04:14 AM
How do I know which direction to put the filter? There is an arrow on the filter (says air flow), but not on the holder.
I am not sure which direction the air flows through it.
On my installation the furnance is on the left, the air filter holder next, then a big tin box is next.
I am not sure which direction the air flows through it.
On my installation the furnance is on the left, the air filter holder next, then a big tin box is next.