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- Hart & Cooley® Ring Collar, Series: 5400, 9 in Dia, For Use With: #3800 or T-19 Damper, Steel, Galvanized, Domestic
 
- Unique snap-in design for easy installation
 - 2 in high collar permits easy flex connections
 - Bead on collar improves the strength and provides retention for flexible duct connections
 
- Domestic / ImportDomesticFinishGalvanizedMaterialSteelDiameter9 inManufacturerHart & CooleyManufacturer #5409Series5400Suitable For Use With#3800 or T-19 Damper
 
