6 Type B Oval Gas Vent Firestop Spacer for 2x6 Wall from the OV Collection The firestop spacers center vent in 16 o.c. stud space and serve as a firestop at the ceiling level. This is a required component for Type B-2x4 and multi-story Type BW... more
4 Type B Oval Gas Vent Firestop Spacer for 2x4 Wall from the OV Collection The firestop spacers center vent in 16 o.c. stud space and serve as a firestop at the ceiling level. This is a required component for Type B-2x4 and multi-story Type BW... more
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