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QV - Quadro-Vent's honeycomb design allows passage of moisture from cavity to the building exterior while restricting ingress of insects and other debris

  • Quadro-Vent™ allows passage of moisture up to its 2 1/2" height, important in the event of mortar droppings at bottom of the cavity
  • Polypropylene tested in conformance with ASTM D2240, D790B, D638 and D1238B
  • Also suitable for top of wall venting.


  • Clear (Standard Color In-Stock)
  • Black, Grey, Almond, Buff, Cocoa, or White


  • Standard size: 3/8" x 2-1/2" x 3-3/8"
  • Other sizes available upon request