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Concrete/Masonry Walls - Refrigeration Lines
  Penetrating Item
(Size and Type) 		Sleeve
O - Opt
R - Req'd 		Point Contact Assembly Thickness F Rating Nelson Product UL System FS Detail
  2" copper/steel, 1" AB/PVC         4 1/2   2   LBS3   C-AJ-8141  FS0544r1
     
 
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