DuraVent DuraVent 4" Inner Diameter - Type B Oval Gas Vent - Double Wall - Adjustable Roof Flashing for 0/12 - 6/12 Pitches

Oval Gas Vent Collection Galvalume Oval Adjustable Roof Flashing with 4" Inner Diameter This Galvalume Oval Adjustable Roof Flashing with 4" Inner Diameter from the Oval Gas Vent is a Type B gas component that will meet the needs of any Type B installation. Use to center oval vent in a minimum 16” on-center stud space. Serves as a firestop at the ceiling level. Required in multi-story installations. DuraVent's innovative system for a lock-tight connection for Type B Gas Vent called DuraLock. See the alig...