In reference to your question regarding filter boxes,
I have ordered 24 position, wooden filter boxes lined with
foam from Corion Corporation, 73 Jeffrey Avenue, Holliston,
MA 01746, Phone 508-429-5065. The catalog # for that
particular box is FB-24-F and current price is $66.00 each.
Keith A. Kelley
Miles Research Center
400 Morgan Lane
West Haven, CT 06516
Ph 203-937-2872
Fax 203-937-6923