What is a 1450-72ALT or the 4050A-72ALT alternate cover and are they still available?

The 1450-72ALT and 4050(A)-72ALT both launched in 2017.  

See Marketing bulletin here.

Please Note:  

  • In 2023 the 4050A-72ALT alternate cover was obsoleted and no longer available.
  • The 1450-72ALT alternate cover remains available.

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