25x Clip On Ferrite Core Ring Kit Noise Suppressor Connector Filters Cable Clamp
Nickel zinc ferrite. It can improve the electromagnetic field around the solenoid, thereby avoiding external interference. Material: Ni-Zn Ferrite. 7 X 3.5mm Ferrite Rings. 5 X 5mm Ferrite Rings. 8 X 7mm Ferrite Rings.