This clear polypropylene Type W Caviweep Brick Vent acts as both a cavity ventilator and a weep to release water from lintels, damp proof courses and cavity walls. It features an insect resistant grille and internal baffles to stop rain blowing in.
- Dual-function combined weep and ventilator to allow cavity to breathe
- Free airflow 320mm²
- Clear polypropylene finish
- Insect resistant grille
- Integral water-check baffles
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