These lids will pair with both 5" and 7" bus boxes to allow stacking and closure. 
 - NSF Standard 2 listed and approved.
                                        
                                                                                               General Information 
  Manufacturer:  Impact Products
  Manufacturer Part Number:  BTL00-12
  Manufacturer Website Address:  http://www.impact-products.com
  Product Name:  Bus Box Lid 5 Inch and 7 Inch White
     Product Information 
  Application/Usage:  Container,Bus Box
     Physical Characteristics 
  Color:  White
     Miscellaneous 
  Compatibility:  Impact Products Bus Box 5 Inch and 7 Inch
  Certifications & Standards:  NSF Standard 2