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The Repa Market 6" to 4" Duct Reducer/Increaser is a galvanized steel vent pipe adapter designed for HVAC and dryer vent systems. It offers precise sizing for a secure fit, corrosion resistance for long-lasting use, and versatile functionality as both a reducer and increaser. Easy to install and compatible with various duct types, itโs the go-to connector for efficient ventilation in residential, commercial, and industrial settings.






| ASIN | B089NKL35L |
| Best Sellers Rank | #112,094 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #206 in HVAC Ducting |
| Brand Name | Repa Market |
| Color | Silver |
| Connector Type | Reducer |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,065) |
| Exterior Finish | Alloy Steel |
| Included Components | Galvanized Steel Reducer/Increaser |
| Item Dimensions | 6.02 x 4.33 x 6.02 inches |
| Manufacturer | Repa Market |
| Material Type | Metal |
| Number of Pieces | 1 |
| Size | 4 to 6 Inch / 100 to 150 mm |
| Thread Size | 6 inches |
| Thread Type | NPT |
| Unit Count | 1.0 Count |
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