- Out-of-Stock
 
        
          
		  
        
          
                
                
              
            
           
         
           
           
           
          Orders placed before 3PM ET will be shipped out the same day!
| Face: | 3-1/2" | 
| Fill: | Glycerin | 
| In Hg Vac: | 30 | 
| Mount: | Lower | 
| NPT: | 1/4" | 
| PSI: | 30 | 
| Series: | Duralife | 
| Total OD: | 4" | 
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