Feature●Color: Silver●Opening Dimensions: 12.0 x 12.0 inches (303 x 303●Inner frame board material cutting dimensions: 10.2 x 10.2 inches (259 x 259 mm)●Included Components: 4 hanger hardware●Note: Do not use on interior ceiling surfaces●Note: As the inner frame may fall off, please make sure that the bearing resin on both sides of the outer frame is inserted after installing the inner frame board●Note: As the inner frame may fall off, please do not hang on the inner frameDescription
For inspection behind indoor ceilings.