25Pcs Ferrite Core Ring Clamp Kit 3.5mm/5mm/7mm/9mm RFI EMI Filter Core Ring Bead Noise Suppressor RFI EMI Noise Magnetic Filter

25Pcs Ferrite Core Ring Clamp Kit 3.5mm/5mm/7mm/9mm RFI EMI Filter Core Ring Bead Noise Suppressor RFI EMI Noise Magnetic Filter

AliExpress