Looking for an Intake Fan (Optional Filter/Reversible) & Roof Fan

Hello Experts,

I have about a 1000sq ft. commercial space with about 18ft ceilings. Right now there is no air flow in this space. There is a closed in window that I want to use for the intake and a roof exhaust that is currently there but sealed.

I'm trying to look into two products:

Exhaust

Intake + Opt. Filtered
Added Filter / 2000+ CFM
Energy Efficient (1PH off a 110/120V if possible?)

Example: https://www.marleymep.com/products/mip/pkg-package-wall-exhaustintake-fans

Roof Exhaust/Attic Fan
2000+ CFM - Energy Efficient(1PH off a 110/120V if possible?)

Example: https://www.marleymep.com/products/mip/rvb-belt-drive-roof-ventilators

I am completely new to this and won't being doing the install - but would like just to buy the fan direct from supplier. Will be getting expert HVAC installers to do the work

What prices am I looking for?
Any alternatives?

submitted by /u/lobstarr
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