ACT X10 Plug-in Noise filter (3)

Leviton DHC in-line noise filter

ACT X10 Passive Coupler

Smarthome Insteon X10 FilterLinc Plug In Electrical Noise Filter - 1626-10

Insteon FilterLinc Plug In Electrical Noise Filter - 1626-10

Power Hands | Clapping Light Control Noise Detecting Wireless Wall Outlet

INSTEON Power line Noise Filter 1626-10 (10amps) plug in (USED) SCE 44-A2

INSTEON Power line Noise Filter 1626-10 (10amps) plug in (USED) SCE 44-A1