125 or 150 CFM Phresh?

I was excited when I found the 125cfm Lo-Pro phresh filter, however its 4"x20", while the 150cfm is 4"x8" which would be far more ideal for my small setup.(Picture included).

Im going to replace my current 50cfm fan with a 90-110cfm. Would 90-110cfm be ok used with the 150 cfm filter?

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Bump, im ordering today... I watched a video of a phresh filter employee who said you can you plastic wrap to wrap a portion of you filter to match the cfm of you fan. So you could wrap half a 550cfm filter to tune it down to a 225cfm filter.

You would then change the placement of the plastic wrap to the other side of the filter that was previously being used when needed. Anyone done this? If thats the case im getting the 4x8 for sure.