What is the model number for product MP2F2LL/A I'd like to purchase a case at the same time as purchasing this iPad from Apple's website, but I can't seem to figure out what the actual model number is.  I can't find any reference to iPad's with A9/M9 processors.  First image is from their store page, second image is the relevant 'technical specifications' from the link at the bottom of the first image.

Thanks!
iPad (5th generation)

Year: 2017
Capacity: 32, 128 GB

Model number (on the back cover): 
A1822 on the iPad (5th generation) Wi-Fi

A1823 on the iPad (5th generation) Wi-Fi + Cellular