SIEMENS ECQF3 660006 Series Panel Blank, 5 Per Bag Go to amazon.com Related posts Top recommendation for breaker panel blanks FeatureSiemens Panel Blank 5 Per BagManufacturer Part Number: ECQF3Manufacturer: SIEMENS Description| 1" diameter | Filler plate suitable for use with load centers, 150-225 AMP | For industrial and commercial purposes | 5 per bag.