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Ships within 48 hours · Estimated delivery Oct 25 - Oct 30
Opening Size: 1/2 inch
Acrylic sheeting materials have shown no appreciable effects from exposure to weather
Material: Melamine
PEX and PE-RT lines
Master Flow 4 in. H X 18 in. W X 18.5 in. L Black Resin Roof Vent VEL-B Opening Size: 1/2 inchMaster Flow resin square top utility vent is designed for attic ventilation. The fully enclosed hood deters rodent and insect infiltration and leaf and pine needle clogging. UPC: 050206999509 Manufacturer Part No: RT65BL Brand Name: Master Flow Height: 4 in. Width: 18 in. Length: 18. 5 in. Color: Black Material: Resin Product Type: Roof Vent Shape: Square Airflow: 65 CFM Opening Dimension: 11 1 8 x 10 in. Cutout Below Counter Height: 10 in. Vent Type:
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