MorRyde Cargo Tray Size for Montana?

[Only_True_Mosno]

I have a 2018 3721RL Montana. Unfortunately it is located a couple of hours away at the moment. I was assuming all Montanas are the same width, and was wondering if anyone knows what size Morryde Cargo Tray will fit...specifically the length? I remember due to sewer pipes the size has to be only 26” wide on the tray. Does anyone know if 90” on the length is too long? Or if you know the basement length measurement I would really appreciate it. Thanks!

[Only_True_Mosno]

Decided to make the trip down and re-measure.

For anyone else with a 2018 3721RL the tray I decided on was 26” x 90”. It looks like a good fit with some extra space. I probably could have pushed it another inch or two, but after having to return the first one that weigh a thousand pounds, I decided to play it safe.