AXPR Wall Panel Axial Fan. AXPR Wall Panel Axial Fan Overview. ... Direct drive arrangement #4, with TEFC, Mill and Chem duty or explosion proof motors. Exhaust or supply fan. AXPR Sizes and Performance. Manufactured in 11 sizes from AXPR 12 to AXPR 54. Capacities from 500 to 60,000 CFM. Pressure up to 3" SP. AXPR Wall Panel Axial Fan (PDF ...