Ships in23x22x29 inch pkg; 21 lbsAcoustical R6 flex duct for the M4860 return air;20"diameter and 10' longUnico Model4860Duct Size20"Duct ShapeRoundMaterialMultipleFlex or Rigid DuctFlexibleR-ValueR6.0BrandUnicoDuct OD23.5"Duct Length10 ft.
Ships in23x22x29 inch pkg; 21 lbs
Acoustical R6 flex duct for the M4860 return air;20″diameter and 10′ long
| Unico Model | 4860 |
| Duct Size | 20″ |
| Duct Shape | Round |
| Material | Multiple |
| Flex or Rigid Duct | Flexible |
| R-Value | R6.0 |
| Brand | Unico |
| Duct OD | 23.5″ |
| Duct Length | 10 ft. |
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