1ea 85X55X20mm Ultra Large Transformer ferrite core 3.3''X2.2''X0.8'' Isolator Inductor ferrite Ring Cable Wires EMI Filter ferrite RF Choke ferrite Bead MnZn PC40

1ea 85X55X20mm Toroidal Transformer Core 3.3X2.2X0.8 inch Toroid Inductor Ferrite Core Filter Ferrite Ring Chokes Ferrite Bead MnZn PC40

1ea 118X80X20mm 4.6X3.15X0.8inch Toroidal Transformer Core Toroid Ferrite Core Ferrite Chokes Ferrite Bead Ferrite Snap MnZn PC40

Taigoehua 5pcs 42X24X16mm Toroid Core,Ferrite Rings Toroid Core Iron (Black)