Like most micro-meshed gutter covers, All About Gutters is prepared to offer all of the main features that you are looking for. Their screens will filter out even the granular run off from asphalt shingles promising that your gutter water will be debris free, an important feature if you are harvesting water.
This is an enclosed system, so there will not be any invading animals or insects invading your precious supply, and they guarantee it. There are no gaps anywhere as with the reverse guard systems, and this system will fit any standard sized gutter in place. They come in 5 foot sections, and can be installed by any unskilled labor that has a ladder tall enough to reach the gutters. These covers lock into place with clips and end caps, making this closed system ready for business.