4 inch to 3 inch Dia Duct Reducer Galvanized Steel Air Duct Adapter Metal Pipe Increaser Connector,Vent Reducer for Bathroom Kitchen Ventilation Systems
$14.71
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$14.71
Price when purchased online
Free shipping
Free 30-day returns
Sold and shipped by qualifsitegdp.gdp.digital
Free 30-day returns Details
Product details
| Management number | 231782774 | Release Date | 2026/06/18 | List Price | $5.88 | Model Number | 231782774 | ||
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- Precise size transition, compatible with multiple types of air ducts:Perfectly transitions 4 Inch to 3 Inch ductwork, compatible with spiral ducts, rigid metal pipes, flexible duct hoses, and PVC pipes. Solves mismatched duct size issues for all scenarios—from home small appliances to commercial ventilation equipment, no need for extra adapters.
- Galvanized steel material, durable and corrosion-resistant:Crafted from heavy-duty galvanized steel (thickness 0.6mm) with anti-rust surface treatment. Resists moisture, corrosion, and temperature fluctuations (like bathroom steam, kitchen oil fumes, or industrial dust)，ensuring long-lasting performance for HVAC heating & cooling systems.
- Cone+edge pressing design, optimized airflow without leakage:Precision tapered structure reduces airflow turbulence and pressure loss, maintaining optimal ventilation efficiency. Crimped small end fits snugly into smaller ducts, with raised rolled lips on both openings—secure with hose clamps or foil tape (not included) for an airtight seal, avoiding energy waste.
- Easy Installation, no need for professional tools:User-friendly push-fit design: insert duct into the large end 4 Inch and small end 3 Inch, then fasten with fasteners—no professional tools needed. Polished edges prevent scratches during installation, suitable for home, garage, basement, or workshop use.
- Multi functional accessories to solve pain points in multiple scenarios:Essential fitting for portable AC exhaust hoses, dust collection units, dryer vents, and kitchen range hoods. Works with inline fans, bathroom extractors, and grow tent ventilation—one adapter meets all 4 Inch to 3 Inch duct connection needs.
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