| Management number | 230889526 | Release Date | 2026/06/18 | List Price | US$14.67 | Model Number | 230889526 | ||
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Backdraft damper for circular ducts, manufacturedfrom galvanized sheet metal. The two bladesare spring-loaded. Every damper is built with performance in mind. The damper can be mounted vertically.
| Duct size | 4 in |
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| Material | aluminum H14 3, 32\" diameter brass central rod Stainless steel torsion spring 24 GA, G90 galvanized steel casing EPBM synthetic rubber gasket |
| Ducting type | Round Duct |
| Brand | Fantech |
| Size | 4" |
| Weight | 1.57 lb |
| Accessories | EPBM synthetic rubber gasket |
| Color | Multicolor |
| Pieces | 2 |
| Model | RSK 4 |
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