We copied this important announcement from Draeger Safety:
Thank you for choosing Draeger for your gas detection needs. This letter provides advance notice of the "End-of-Sales" (EOS) for the Draeger CMS Analyzer (6405300) and CMS Analyzer with Remote System (8317700) effective December 31, 2020. The Draeger CMS has been sold globally for 24 years. Purchase Orders for such products received by Draeger on or before December 31, 2020 will be reviewed for acceptance or rejection by Draeger in its sole discretion. Draeger will not accept Purchase Orders for such products if received after December 31, 2020.
Draeger, Inc. will continue to offer the CMS chips and provide service for the CMS Analyzers and Remote System. Draeger will continue to manufacture the CMS chips for the next 4 to 5 years for our valued customers.
Here here for the product page on our website