Balun/Unun DIY Kits
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![Computer RFI Kits 890710979 - Computer RFI Kits](https://i0.wp.com/d2j6dbq0eux0bg.cloudfront.net/images/10325621/890710979.jpg?ssl=1)
Enclosure Box - 4.375" x 4.375" x 2.375"
Enclosure Box - 4.375" x 4.375" x 2.375"
SKU CB-Box-1
$14.95
On Sale
![Computer RFI Kits 2329254355 - Computer RFI Kits](https://i0.wp.com/d2j6dbq0eux0bg.cloudfront.net/images/10325621/2329254355.jpg?ssl=1)
FT140-43, ID=.9", OD=1.4", RFI Range 25-300 MHz
FT140-43, ID=.9", OD=1.4", RFI Range 25-300 MHz
SKU F140-43
List price
$4.50
Save 14%
$3.89
![Computer RFI Kits 3215425216 - Computer RFI Kits](https://i0.wp.com/d2j6dbq0eux0bg.cloudfront.net/images/10325621/3215425216.jpg?ssl=1)
Side Eyebolt Kit - 1/4-20 Stainless Steel
Side Eyebolt Kit - 1/4-20 Stainless Steel
SKU SEK-1/4-1
$5.95
![Computer RFI Kits 581480973 - Computer RFI Kits](https://i0.wp.com/d2j6dbq0eux0bg.cloudfront.net/images/10325621/581480973.jpg?ssl=1)
SO-239 Kit (female chassis connector + hardware)
SO-239 Kit (female chassis connector + hardware)
SKU SO-239 Kit-1/2
$3.95
These RFI kits are specifically selected to cure most household computer device RFI problems. It contains ferrite toroids for AC or DC power supply protection and Snap On ferrite spli beads selected to eliminate RFI from 1 to 1000 Mhz. The beads are easy to use, don’t require modification of the protected equipment and work in almost all cases, even when plug-in filters fail.
Typical Installations