Seal With Standoff DamperSeal With Standoff Damper, 18 in, Fits Duct Size: 17-7/8 in, 17 in L, Conical, 26 gaDescriptionECCO Manufacturing™ Seal With Standoff Damper, 18 in, Fits Duct Size: 17-7/8 in, 17 in Length, 26 ga Gauge, Conical Shape
ECCO Manufacturing, Seal, 504158, 18in, Fits Duct Size: 17-7/8in, 17in L
