Square Narrow-Mouth polypropylene copolymer bottles with Closure, featuring mouths wider than conventional narrow-mouth bottles. These PPCO bottles are graduated, repeatedly autoclavable, translucent and resistant to alcohols and bases. 
Temperature range from 0°C to 135°C.  Before autoclaving set cap or closure on top of container without engaging the threads.
                             
                        
                            
                                
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