Up for sale is a THK ZRCT5250-MF EMC 3-Phase AC Filter Rated for 500V 250A 50/60 Hz This is a big beastie... Photos show size relative to a dollar bill which is not included in sale Overall dimensions are roughly 8"W x 24"L x 4"H Weight is about 40 pounds, shipping weight will be higher to include packaging. Square Winding Type Superior attenuation for both differential and common mode noise components Great for your Contest Station, Repeater Station or if you have a large UPS backed up system. Asking $500 plus buyer pays all shipping charges. May consider trades or offers. Payment via PayPal or Postal Money Order. Contact me at firstname.lastname@example.org or via my QRZ page. Data sheet available at: pdfstream.manualsonline.com/0/0d43d6af-ae97-4766-ad5e-8993d9623207.pdf or simply Google the part number THK ZRCT5250-MF for data sheet. Removed from semiconductor fab equipment, minor cosmetics with case but interior clean and functional. Ships via UPS lower 48 states, no international shipping or sales outside the lower 48.