Check the listing for details. RadonAway RP265 Radon Fan & Install Kit with Dynameter. Condition: New. Listed at 224.99 USD. This kit includes: One (1) RadonAway RP265 FanTwo (2) 4"x6" rubber flex couplings(1) U-tube manometer to easily see that your fan is working(5) System labels to make your system compliant with radon mitigation standards The RP265 is a very high flow fan rated at 95-152 watts. This fan is usually used with large drain tile systems and gravel only. It also has the ability to suck hard with a maximum pressure of 2.5"WC. Great for basements larger than 2500 sq/ft. A good choice for higher radon levels in large finished basements where crack filling isn't possible. Or where multiple suction points may be needed with possible high air flow rates. Fan stats: High air flow 327CFM @ 0"WCSuper quiet operationELT Listed - for indoor and outdoor useMeets all electrical codesFor commercial and residential installations Thermally protected motor6" inlet and outlet5 year warranty Note: Utility cords need to be purchased separately. Varmint guards are a must to protect your fans warranty (sold separately).