The Master Flow Mobile/Manufactured Home 12 in. Duct Kit has everything you need to connect a packaged heating and A/C unit except for the 12 in. flex duct (sold separately). The kit includes a filter box, damper, sturdy floor grill, and filter. Seal all ductwork seams for maximum efficiency; duct sealant sold separately.
- Everything you need to connect a packaged heating and A/C unit except the flex duct (sold separately - MIF12X300)
- Standard items for most installations
- 12 in. x 20 in. Filter box and 12 in. damper included
- Sturdy 12 in. x 20 in. floor grill and filter