3" to 4" Flex to Rigid Duct Adapter
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Adapt a 3" to 4" hose or you can use it to side onto a 3" to 4" housing.
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Model information
- Source
- Printables
- Category
- Other House Equipment
- License
- Creative Commons — Attribution — Noncommercial
The intent was to replace the adapter I lost for my inline filtration system:
https://www.amazon.com/gp/product/B06XFRNPR8/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1
The 3in end is meant for flexible hose inner dimension (I.D.) and has a small flange to prevent the duct from slipping off. I also made cuts, so when installing the hose you can flex the tabs to slide the duct on making it a tight fit. Snug it all up with a zip tie around the duct.
The 4in end is a fit for the outer diameter of the blower motor. Designed similarly to the 3in side. Snug it up with a clamp or zip tie.