Air Vent Inc 50006 Aluminum Mini Louver - Compact Ventilation Solution for RVs, Boats & Small Spaces" （注：如果原品牌"Air Vent Inc"是重要品牌关键词需要保留，否则可考虑去掉品牌名） 备选更简洁版本： "50006 Aluminum Mini Louver Vent - Durable Compact Air Vent for Vehicles & Small Spaces

Product Description

The mini louvers are tooled aluminum and die stamped grilled. No screening. 6 pieces per bag. No. 50000: 1'' opening, mill, 3 louver slats provide .18 sq. in. net free area No. 50004: 1'' opening, white, 3 louver slats provide .18 sq. in. net free area No. 50001: 2'' opening, mill, 6 louver slats provide .47 sq. in. net free area No. 50005: 2'' opening, white, 6 louver slats provide .47 sq. in. net free area No. 50002: 3'' opening, mill, 11 louver slats provide 1.34 sq. in. net free area No. 50006: 3'' opening, white, 11 louver slats provide 1.34 sq. in. net free area No. 50003: 4'' opening, mill, 16 louver slats provide 2.88 sq. in. net free area No. 50007: 4'' opening, white, 16 louver slats provide 2.88 sq. in. net free area