Ferrite Ring Core Black RFI EMI Noise Suppressor Cable Clip-20Pcs auspowers_batchsix and other electronic devices charged

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Ferrite Ring Core Black RFI EMI Noise Suppressor Cable Clip-20Pcs auspowers_batchsix and other electronic devices chargedFerrite Ring Core Black RFI EMI Noise Suppressor Cable Clip 20Pcs Function: 1. Reduce electro magnetic interference and improve signal integrity; 2. Helps reduce EMI on AC power lines; 3. Easy to install with double snap clips Product Features Quantity: 20PCS. Color: black,Material: magnet,plastic Size (LWH): 3. 7 inches, 3. 1 inches, 0. 7 inches with 4 different size 5 7 9 13 mm inner diameter Ferrite core with plastic cover; Helps to reduce EMI on