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  | Designing together for the future
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    | Acoustic Products 
 
      
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          Click on a Window to see more information.Click the appropriate button to download product literature.
 
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            | Product |  |  |  |  |  |  |  
            | Operation | Tilt Double Hung |  | Tilt Double Hung | Sliding | Tilt Double Hung | Tilt Double Hung |  
            | Frame Depth | 3-1/4" | 2-1/2" & 4-1/2" | 4-1/8" | 4-1/8" | 3-1/4" | 3-1/4" |  
            | C - Rating | H-C45 | - | - | - | H-C70 | - |  
            | HC - Rating | - | AP/C-HC85:100 | - | - | - | H-HC50 |  
            | AW - Rating | - | AP/C-AW85:120 | H-AW55 | HS-AW65 | - | H-AW50 |  
            | OITC Rating(s) | 30 | 30; 33; 34; 36 | 30; 31; 34 | 27; 30; 32 | 32 | 30 |  
            | STC Rating (s) | 35 | 38; 42; 43; 46 | 33; 36; 37 | 33; 34; 35 | 37 | 33 |  |  | 
  
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