5" to 3" Inch Duct Reducer Round Reducer Duct Fitting Pipe Increaser Reducer Made from Galvanized Steel (Drain, Waste and Vent) Reducing Coupling (Metal, 5 to 3 Inch)

Good quality

I use this fitting for part of my dust collector with aluminum tape. It works great. it doesn’t fit on the dust collector but with the tape it’s a pretty solid connection.

I ordered a reducing coupling from 4" to 5. Unfortunately the product did not measure 4"x 5" I purchased one locally so I could complete the project, I normally don't have any problems with anything I purchase from Amazon, perhaps I should have ensured the correct measurements

This thing is decently constructed, easy to work with and priced fairly. I used it to neck up from 3" to 4" ducting, reducing pressure in my bathroom exhaust system. Which allowed the pipe clamps to retain the ducting better. Would buy again.

Does exactly what they promised.

Built well yet pliable enough for an unusual venting system such as I had. Good price for the quality. Met and even exceeded my expectations.

Fit is not the best. But work as it should.

Got a coffee roaster. I roast dark, so there's 'some' smoke. This makes a great hood. Catches the smoke, but doesn't cool the roaster.

Good quality duct reducer(very solid) as per description. Received as promised.

Justo lo que necesitaba, buen material, robusto y de calidad. Para canalizar el humo de un asador hacia la chimenea.

Solidly made, no sharp edges

Parfait pour une adaptation de conduit de hotte , de 150 mm vers 100 mm

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