Capture Rainwater Runoff Before It Reaches Your Storm Drain The Aquascape Downspout Filter is a rainwater diverter and filter device that installs inline in a standard residential roof downspout. It diverts a portion of roof runoff into a rain barrel, storage cistern, or garden irrigation system while allowing overflow to continue to the storm drain, capturing and filtering the first flush of rainwater for reuse in garden or landscape irrigation. Simple Rainwater Harvesting Without Major Plumbing Roof runoff contains dissolved nutrients, organic particles, and fine sediments from leaves and debris that accumulate on the roof between rain events. The downspout filter intercepts this flow, straining out coarse debris before it enters the storage container. This prevents clogging in irrigation lines and reduces sediment accumulation in rain barrels. Installation requires no special tools and connects to standard 7 to 10 cm (3 to 4 in) residential downspout profiles. Specification Value Compatible Downspout Size Standard residential profiles (approximately 7 to 10 cm / 3 to 4 in) Function Rainwater diversion and pre-filtration Overflow Continues to existing drain when storage is full Material UV-stable thermoplastic How to Use Cut the downspout at a convenient height where access is easy and the diverter can connect to a rain barrel or storage hose below. Install the downspout filter by inserting it into the cut downspout section per the included instructions, connecting the diverter outlet to a rain barrel or garden hose. Ensure the overflow outlet directs water away from the building foundation when the barrel is full. Clean the internal filter screen monthly during the rainy season to prevent clogging that would reduce collection efficiency. Ideal for property owners wanting to collect roof runoff for garden or landscape irrigation use, reducing reliance on mains irrigation water and managing surface runoff from impervious roof areas.
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