Antique Electronic Supply in Tempe, AZ (tubesandmore.com (480)820-5411) has dust covers in their catalog. They list the following three sizes with a description: S-B904 20" x 15" for portable Transoceanic $3.45 S-B905 40" x 40" for tabletop radios $4.95 S-B906 48" x 60" for console radios $5.95 Regards, Greg