[King_of_Hindsight]

Thanks Back...I appreciate your time. I agree, when in doubt, get new filters, but I want to go to government and give them something in writing...something that forces them to purchase new filters.

I'll hit your link now and see what I can dig up. You were very kind to take the time to respond.

[backhoe]

You bet- got to run; wife needs a ride home from the local college...