TRIPP LITE's SRFANWM SmartRack wall-mount roof fan kits are the ideal solution for increasing ventilation in wall-mount enclosure cabinets. Each kit features multiple high-performance fans that can be installed to the inside or outside of the wall-mount enclosure to expel heat out of the enclosure. COMPATIBLE SMARTRACK WALL-MOUNT ENCLOSURES - SRW6U, SRW9U, SRW10US, SR12UB, SRW12U, SRW12US, SRW12US33, SRW12USG, SRW18US, SRW26US, and other Tripp Lite SmartRack enclosures that specify the use of this accessory.