This was in a old Lapidary Journal. Probably early 90’s. I
will try to see if I can find the month and date. It was a
plywood box that held standard furnace size filters. Mine hold 3
filters. I’ll look and let everyone know the date.
This was in a old Lapidary Journal. Probably early 90’s. I
will try to see if I can find the month and date. It was a
plywood box that held standard furnace size filters. Mine hold 3
filters. I’ll look and let everyone know the date.