Fair-Rite P/N 0443164251ferrite snap-on filters. Plastic case with type 43 split core material. Clamps around cable up to .250in Dia. and blocks noise. Frequencies from 1MHz to100MHz. Permeability=1000, impedance: 130 @ 25MHz 275 @ 100MHz
L: 1-5/16" W: 7/8" H: 7/8"
