OICOTA Plastic 6-Inch to 5-Inch, 4-Inch Converter Cone Reducer for Pipe

This product is saviour for me , my chimney has 6 inc duct but the outer wall hole is for 4 inch , otherwise of this product I had to break brick wall which would incur me lot of cost. this small thing converted to 4inch and worked as expected.

Useful. Some how fixed it even after over size. Radius should be 4” but it is over and above 4” . Please stick to radius size 4” to 5” not less or more

Poor product quality

I installed it on my chimney in few seconds. Fits perfect. My chimney has 6 inch outlet and the exhaust pipe on my wall is 4 inch and this connector was the right choice. Price wise it’s reasonable considering that it’s not available in local shops. I have been looking for this for years and never found one in local shops and neither on amazon. When it showed up in my suggestions I grabbed one immediately and it did not disappoint me.

Poor quality. thickness of the material is too less. it is not at all sturdy. Size issues, higher in size by few mm. Doesn't fit well.

Good quality

Had pre-built 4 inch outlet in wall for exhaust, yet most exhaust fans have six inch diameter. This product is so useful yet not available locally. Sturdy material - made an inner lining with duct tape as the fan rear end was 5.7 inches but fit snugly into the four inch pipe end. Rs 199 may be expensive, but happy to spend as I had no other alternative and finish was very good.

Size is accurate