4in octagon, flat, double gasketed steel rings are used with Chicago plenum octagon boxes that require extension rings. They create an inair tightin seal b
4in octagon, flat, double gasketed steel rings are used with Chicago plenum octagon boxes that require extension rings. They create an inair tightin seal between Chicago plenum boxes and extensions rings.
Gtin | 00655222870766 |
Mpn | 55C1-VT |
Condition | new |