Check the listing for details. Wattmeter Element Slug 25000W 25KW 2-30 MHz 25K Bird 43 Coaxial Dynamics 820S016. Condition: New. Listed at 285.00 USD. 25000 Watts 2-30 MHz (Coaxial Dynamics # 820S016) (Quantity 1) Equivalent to Bird Wattmeter Element Gold Plated For High Conductivity Interchangeable With Other Elements Two Year Limited Warranty Bird Watt Meter Compatible The 82000 series of Coaxial Dynamics Plug-In Elements are calibrated to exacting specifications to assure interchangeability with one another. Element accuracy is insured using RF Power Standards (NIST traceable) that are supported by more than 30 years of history and experience. Your confidence in the quality and dependability of the 82000 series of Plug-In Elements is assured with the Coaxial Dynamics Two Year Limited Warranty. Martin RF Supply offers the World's best inventory of new and used plug-in wattmeter elements. All of our products carry a 100% satisfaction guarantee. Questions? Martin RF Supply 9-5 EST USAINTERNATIONAL CUSTOMERSInternational shipment terms are EXWORKS.Local Taxes and Customs Fees imposed in the destination country may be due at the time of delivery. The buyer / recipient will be solely responsible for the payment of all local taxes and import fees. Warranty terms are FOB USA, the buyer is responsible for all shipping charges for returns. Free Shipping is not available for packages weighing 1 lb or more going to Alaska, Hawaii, and US Protectorates. Please contact us for shipping rates for these locations. International CustomersWe will not be responsible for any shipments to International Freight Forwarders.If you use a freight forwarder it will be at your own risk.