You are all much to narrow minded, thinking about all this color stuff. What I want is a clear lexan panel for the R390, R390A and SP600 so that I can see the moving parts! John Flood KB1FQG TASC Department KROHNE, Inc 7 Dearborn Rd. Peabody, MA 01960 Tel.: 978-535-6060 / 800-356-9464 Fax: 978-535-8180