Buy on Amazon.com : http://amzn.to/15iwXhr<br /><br />Channel Plus LPF-600 Low Pass Filter<br /><br />Low-pass filter removes all cable television channels above pass band <br />Insert locally generated ChannelPlus modulated channels <br />Filter also removes noise for better picture <br />Simple installation requires no external power supply <br />Device measures 3 x 1 inches LxW
