Ferrite Ring Magnet - 100mm x 60mm x 17mm – AMF Magnets USA
Ferrite Ring Magnet - 72mm x 32mm x 15mm – AMF Magnets USA
Ferrite rings | Enphase
Amazon.com: 1unit 118X80X20mm Ultra Large ferrite core ferrite Ring for Transformer Chokes Isolator or Cord Filter : Electronics
Amazon.com: BY JMY Ferrite Ring Magnet - OD6.15" x ID3.16" x 20mm Ceramic Magnet, Grade 12 Heavy Duty Magnet - for Crafts, Science and Hobbies - 1 Pieces : Industrial & Scientific
Amazon.com: Hondark 1pc 63X38X25mm Toroidal Transformer Core Power Transformer Ferrite Core Ferrite Ring Chokes Ferrite Bead MnZn : Electronics
Ferrite Ring and Snap On Combo Pack - 10 Rings (1.4" ID) + 10 Snap On Beads (1/2" ID) - Mix 75 (RFI Range 150 KHz-10 MHz) FREE USA SHIPPING - Ferrite Toroid/Ring Cores - Palomar Engineers®
PATIKIL Ferrite Toroid Core 14mm x 8mm x 7mm, 30 Pack Transformer Inductor Coil Ring, Black: Amazon.com: Industrial & Scientific