Anti-Flood Air Brick
Fernco
Price not listed
Fernco’s Anti-Flood Air Bricks are innovatively designed to be a 2-in-1 solution for flood protection and home ventilation. Equipped with a self-seal floating valve which automatically seals and closes the vent when flood water approaches. Anti-flood valve, which seals with rising flood water Straight replacement for standard clay or plastic air bricks A proven flood protection method Maintains essential air flow complying with BS 493:1995 BSI Kitemark Certified to BS 851188-1
Fernco's own words, read from their page.
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