Features
- Sturdy Construction: rectangular to round duct constructed with a robust , Enjoy reliability and longevity with this galvanized transition piece, designed to resist rust and withstand tough environmental conditions for years to come.
- Package Content: the package comes inclusive of 1 single piece of galvanized transition, helps upgrade existing ventilation systems or install new ones,our reliable galvanized transition, assuring you wouldn't need frequent replacements owing to its quality build.
- Efficient and Practical: ideal for a 3-1/4 x 10 inches pipe and a 6 inches diameter round pipe, the rectangular to round duct serves as a versatile connector for your exhaust fan, dryer vent cover, and vent seal that dramatically boosts the effectiveness of your home or commercial space's ventilation system.
- Reduces Wind Resistance: The Rectangular to Round Duct seamlessly transitions from rectangular to round shapes, the smooth internal design can significantly reduce wind resistance, which helps to exhaust air more efficiently; It ensures smooth airflow through various parts of the ventilation project, providing you with a comprehensive and effective ventilation solution.
- Easy Installation: the duct rectangular to round comes with an easy installation proces; Wipe it clean when using, then connect one end to the hose and fix it with aluminum foil tape, another end can be fixed on the square pipe with screws, finally, install the clamp and tighten the screws, The easy setup process not only saves time but also ensures a suitable fit for good performance. (Note: the installation accessories are not included)
Specifications
| Color | Silver |
| Size | 6 inches |
Related Tools
Galvanized rectangular-to-round duct transition that adapts a 3-1/4" x 10" rectangular duct to a 6" round duct for HVAC or venting applications. Constructed from corrosion-resistant galvanized steel with a smooth internal profile to reduce airflow resistance; connect to the rectangular duct with screws and seal or clamp the round end with tape or clamps (hardware not included).
Project Ideas
Business
Retrofit Adapter Kit for Older Homes
Package the transition with aluminum foil tape, a metal hose clamp, and a small screw set as a DIY retrofit kit for homeowners with nonstandard duct sizes. Market to contractors, hardware stores, and online marketplaces as a quick solution to link old rectangular registers to modern round ducting.
Dryer/Vent Upgrade & Inspection Service
Offer a mobile service that inspects, cleans, and upgrades dryer vents and exhausts using stock transitions to adapt mismatched ducts. Sell bundled services (inspection + adapter + install) to landlords, property managers, and short-term rental owners to improve safety and reduce fire risk.
Custom Industrial Lighting Line
Use the transitions as a standardized component in a line of industrial-style light fixtures and home decor. Offer finishes (polished, black powder coat, patina) and modular options (single pendant, multi-arm chandelier). Sell direct-to-consumer through Etsy or a dedicated site and wholesale to boutique retailers.
HVAC Quick-Fit Installer Pack for Contractors
Create a contractor pack combining multiple sizes of rectangular-to-round transitions (including this 3-1/4" x 10" to 6" piece), screws, gaskets, and installation guidelines. Market to small HVAC outfits and remodelers as a time-saving inventory item for retrofits and repairs.
Creative
Compact Workshop Dust-Collector Adapter
Use the transition to connect a shop-vac or dust-collection hose (6" round) to a table saw or planer with a 3-1/4" x 10" rectangular port. Seal the rectangular end with screws and foil tape, clamp the round hose to the round end. Result: cleaner workspace, better suction with minimal airflow resistance because of the smooth internal profile.
Grow-Tent / Indoor Garden Vent Upgrade
Adapt inline fans (6" round) to existing rectangular vent runs in a grow tent or hydroponic cabinet. The galvanized transition resists corrosion from humidity, and the smooth internal surface helps reduce turbulence and noise while improving exhaust efficiency.
Industrial Pendant Light / Lamp Base
Upcycle the transition as the body or flared collar for a pendant lamp or cluster fixture. Drill a few mounting holes in the rectangular flange, thread a lamp kit through the round opening, and keep the raw galvanized finish for an industrial look. Lightweight, sturdy, easy to wire and hang.
Backyard Smoker/Grill Chimney Retrofit
Convert a grill or smoker with a rectangular vent to a round chimney by installing the transition and attaching a 6" round flue. The sturdy galvanized steel tolerates heat and weather; seal with high-temp foil tape or gasketed clamp for better draft control and smoke management.