Check the listing for details. Bird 432-105 Thruline Model 43 Wattmeter Element Slug 10W 13-14 MHz (Used). Condition: Used. Listed at 135.00 USD. Bird 432-105 Wattmeter Element 10 Watts 13-14 MHz 1 Year Manufacturer Warranty Plug-In Element for 7/8" line section Bird portable wattmeters (Models 43, 43P, 4314B, 4381, 4391, 4430, 4431). Martin RF Supply offers the World's best inventory for new & used RF wattmeter plug-in elements. All of our RF products carry a 100% satisfaction guarantee and a 90 day warranty. International Customers INTERNATIONAL 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.