RadonAway 23006 1 GP301 Radon Mitigation Fan 3 reviewELT Listed for indoor and outdoor use. New radonaway model rp140 4 radon mitigation fan/pump 23029-1 good for basements up to 1500 sq/ft. The RP140 is a good air mover with very low energy usage. This fan works best with drain tile systems and gravel only. 715 […]