Dryer Vent Outlet Box
- One Self trimming unit: 18″ wide by 24″ high
- Fits all 16″ centers 2×4’s and 2×6’s
- Six patented rip-tab knockouts in most common positions
– Four true 4″ diameter knockouts (two rear, two right upper and lower)
– Two 3″ x 4.5″ oval knockouts (left upper and lower) - Oval knockouts are provided for non-standard connections to existing venting (i.e. squashed duct), or for a round to oval adapter
- 4 starburst knockouts for gas connections and venting
- 6 pre-drilled mounting holes
- Plastic meets UL® standard 94 HB tests for flammability
- Six screws included
