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4'' Oval Ceiling Spacer - 4" Diameter - B-Vent Gas Vent Chimney, Duravent - 4BVOCS
Duravent$27.044'' Oval ceiling spacer - 4" Diameter - B-Vent Gas Vent Chimney, Duravent. Model OV is an oval Type B Gas Vent that provides the venting capacity equivalent to round Type B Gas Vent. Available in 4"- 6" diameters Aluminum inner liner Galvanized outer... -
4" Diameter, Quick Grip Firestop Spacer UL - 4" RV Round, Galvanized Selkirk Metalbestos Gas Vent - 4RV-FSPU
Selkirk$75.734RV-FSPU is a 4" Diameter, Quick Grip Firestop Spacer UL for 4" RV Round, Galvanized Selkirk Metalbestos Gas Vent. Model RV features Lock-Tab locking system which provides 360 degree flexibility while maintaining security. Aluminum inner liner and... -
4" Diameter, Quick Grip Firestop Spacer - 4" RV Round, Galvanized Selkirk Metalbestos Gas Vent - 4RV-FSP
Selkirk$70.354RV-FSP is a 4" Diameter, Quick Grip Firestop Spacer for 4" RV Round, Galvanized Selkirk Metalbestos Gas Vent. Model RV features Lock-Tab locking system which provides 360 degree flexibility while maintaining security. Aluminum inner liner and galvanized...