Fair-Rite P/N #0443166651 Snap-On, ferrite filters. Clamps on ribbon cable up to 1.3" wide & up to .05"thick (24-26 conductor). Type 43 material blocks noise frequencies from 1MHz to100MHz. Permeability=1000, impedance: 77 @ 25MHz 225 @ 100MHz.
L: 1-1/4" W: 1-7/8" H: 5/8"
