Product Name: AC Power Line EMI Filter, External Material: Metal; Color: Silver Tone, Black;Net Weight :176g, Model No: CW4L2-20A-S;Working Voltage :AC 115/250V, 50/60Hz;Rated Current: 20A, Installing Hole Size(Approx) Distance: 7.5cm / 3";Diameter: 5mm/0.2";Size(Approx): 6 x 5.5 x 3cm / 2.4" x 2.2" x 1.2"(L* W*H), Package Content :1 x AC Power Line EMI Filter,General purpose single phase AC power line filters, easy to install. Available for small electronic equipments and measuring in instrument.