EBU means Extended Balance Unit in Commercial
Similar to EBU
4SR - Four-channel Surround Sound4SR - Four-shelf door mount Spice Rack
4SR-15 - Four-Shelf door mount Spice Rack, 15 inches long
4SR-18 - Four-shelf door mount Spice Rack, 18 inches long
4SR-21 - Four-shelf door mount Spice Rack, 21 inches long
4W-B - Four Wire, Base mounted smoke detector
4WA - Type 4 White Ash Lumber
View all in Commercial