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The Vent Systems 4" Air Vent Duct Connector Flange is a precision-engineered plastic flange designed to fit standard 4-inch HVAC ducts. Made from impact-resistant plastic, it withstands temperatures from 23°F to 140°F and indoor moisture, ensuring long-lasting durability. Featuring pre-drilled mounting holes for quick DIY installation, it provides a secure, leak-free connection to optimize airflow in various home and office ventilation systems.







| ASIN | B08GWS5G1H |
| Best Sellers Rank | #79,155 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #142 in HVAC Ducting |
| Brand Name | Vent Systems |
| Color | White |
| Connector Type | Flange |
| Customer Reviews | 4.5 4.5 out of 5 stars (691) |
| Exterior Finish | ABS |
| Global Trade Identification Number | 04751037230019 |
| Item Dimensions | 5.91 x 5.91 x 2.44 inches |
| Item Weight | 0.07 kg |
| Manufacturer | Vent Systems |
| Manufacturer Part Number | 4751037230019 |
| Material Type | Plastic |
| Model Number | 4751037230019 |
| Number of Pieces | 1 |
| Set Name | Single |
| Size | 4 Inch |
| Thread Size | 4 inch |
| Thread Type | UN |
| Unit Count | 1 Count |
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