FV-DA05VS1 - WhisperValue Duct Increaser
WhisperValues FV-DA05VS1 polypropylene accessory is ideal for increasing a 3 duct to a 4. The offset openings and one side flat edge allows this adapter to fit in tight ceiling or wall cavities where 4 ducts are used.
Dimensions: 8.31" W x 5.23" H x 12.28" D
Weight: 1.5 lbs.