Domestic Rainwater Filters
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WISY VORTEX filters are the gold standard for super-clean, highly oxygenated rainwater.
Engineered with German precision, its patented design relies on adhesion. As water flows into the vertical cylinder, it naturally "sticks" to the smooth outer wall, pulling itself through a ultra-fine 0.28mm mesh while leaves, debris, and insects are completely left behind.
Unlike flat filters that trap and rot organic matter, the VORTEX uses the water's own momentum to self-clean—washing all debris directly out to the storm drain. Simultaneously, the unique vortex motion heavily oxygenates the water, completely inhibiting the anaerobic bacteria that cause stagnant odors.
From small domestic setups to massive commercial infrastructure, thousands of projects across Europe rely on the WISY VORTEX for peak water quality.
Versatile Solutions for Every Site Layout
WISY delivers the same high-performance 0.28mm filtration in two adaptable configurations:
Downpipe & Standpipe Filters (Above-Ground): Perfect for rapid retrofits, these compact units install directly into your vertical downpipe. They filter water inline and automatically divert excess flow down the drain once your tanks are full.
Buy nowVortex Fine Filters (Below-Ground): Installed directly into underground pipework, this completely hidden option uses a vertical stainless steel mesh. Gravity flushes leaves and moss straight to the storm sewer, keeping the system virtually maintenance-free.
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