Home -> X-10 X-10 Pro Plug In Noise Filter Our Price $20.95 Buy item(s) XPPF Plug In Noise Filter. Various devices are a source of noise and can interfere with X-10 signals. This plug in Filter isolates a specific appliance and blocks noise from entering the line. Including these modules in the proper planning and design of your installation will save hours of time and frustration by eliminating sources of noise. A "Must Have" for all installations. Installation Sheet: Download Installation Sheet Related Items Worth Considering X-10 Pro Coupler Repeater Amplifier X-10 Pro Heavy Duty Appliance Module X-10 Pro Light Duty Appliance Module X-10 Pro Passive Phase Coupler Buy item(s)