telescopic
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Ventilation
Type TAV Telescopic Underfloor Ventilator
225mm x 70mm opening.
Extended height 370mm/225mm.
May be used in cavity walls with 50mm cavity upwards.
BS polypropylene, colour black.
Maximum airflow when used with approved cavibrick (7,500mm²)
Direct flow path.
Packed in boxes containing 20no.
Smaller quantities available.SKU: n/a