CHANNEL GUARD - The patent-pending ChannelGuard option offers additional protection against even the smallest debris. The ChannelGuard uses a "debris fence" to keep small leaves, pine needles, seeds and virtually all other debris out of the water channel. "Leafproof" with ChannelGuard is the first and only gutter protection product designed to be virtually maintenance free.  HEATED "LEAFPROOF" - The Heated Leafproof System is available for homes in northern climates. The system keeps leaves and debris out of your gutters AND completely eliminates icicle and ice dam formation.