The Fantech Rn4 is a powerhouse! This speed-controllable fan is best suited for tight sub-slab material, large slab footprints, and/or multiple suction points. The high suction and high flow Rn4 also includes 2 anti-vibration couplers for 4” pipe. If you don’t know the situation you are walking in to, the Rn4 may be your best choice. Requires a power cord (sold separately here). Warranty through manufacturer. *** Inventory Limited – Please contact prior to ordering multiple units. ***
