Tapered Plenum Take-OffTapered Plenum Take-Off, 18 x 8 to 12 x 18 in, Fits Duct Size: 18 x 8 in, 15 in LDescriptionECCO Manufacturing™ Tapered Plenum Take-Off, 18 x 8 to 12 x 18 in, Fits Duct Size: 18 x 8 in, 15 in Length
ECCO Manufacturing, Tapered Plenum Take-Off, 011888, 18 x 8 to 12 x 18in
