All 2007 to current Reflections Series Spas(except Arena) after S/N 142595 are equipped with the M-Drive upper control:
All 2007 Bay Collection Spas after the following serial numbers are equipped with the M-Drive upper control:
Sarena Bay starting S/N 135622
Lotus Bay starting S/N 135295
Dupree Bay starting S/N 135200
All 2008 to current AFS are equipped with the D1 M-Drive Upper Control Panel
8000-D19
