IMPORTANT:  The website will be down for scheduled maintenance on Sunday, Nov 8th from 5:30AM to 10:30AM EST.
NOTE: Images may not be exact; please check specifications.
  • Temporarily Out-of-Stock
  • Call for next available delivery
Ordering Information
$118.45 
Belkin's HID filter (F1DN-FLTR-HID-4) allows secure, unidirectional connection of USB keyboard and mouse. The USB HID filter blocks all USB traffic except standard keyboard and mouse in one direction only.