Blocco stile 16 pollici x 8 pollici Fondotinta in Alluminio Ventilazione e Umidità Con
Keep your foundation dry and well-ventilated with the GAF Master Flow BVSII Foundation Vent. Block Style 16 in.x8 in. ✅ Net Free Vent Area Provides 73 sq. in. of net free vent area for optimal airflow.