RadonAway's XP151 radon fan is a reliable, effective radon fan suitable for most mitigation jobs. Its unique motor and impeller design of RadonAway's makes it the most durable general purpose radon mitigation fan on the market. All RadonAway fans are specificallydesigned for radon mitigation. XP/XR SeriesFans provide superb performance, run ultra quietlyand are unobtrusive. They are idealfor most sub-slab radon mitigation systems.