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Can these be used for Rainwater Harvesting?

Can these be used for Rainwater Harvesting?

Our gutter guard is the only gutter protection system in North America that is UL approved for NSF P151 and NSF 372 for rainwater catchment systems.
This gutter guard is widely used in the rainwater harvesting industry as a pre-filtration system because of the fine micro-mesh used. It keeps the leaves, pine needles and roof sand grit from entering your rainwater storage tank. The whole size in the stainless steel micro-mesh is 540 microns, which complies with the ANSI 63-2013 standard for rainwater harvesting. With this size pre-filtration mesh for non-potable water use, there is no need for other pre-filtration filters, our gutter guard is all you need.
NSF P151
Health Effects From Rainwater Catchment System Components has the following scope.
Scope: This testing covers gutters, barrier materials and/or catchment surfaces (coatings, paints, lining and liners) placed on roof tops and ground surfaces that come in contact with rainwater that is collected and used as drinking water.
NSF 372
ANSI/NSF 372 contains the lead content evaluation procedure originally detailed in ANSI/NSF 61 Annex G, as well as testing requirements and methodologies for material lead content analysis. The scope of the standard applies “to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking”.

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