Jet JW1000 4" to 2-1/4" Outer diameter, 2" Inner Diameter Reducer Fitting for JET Dust Collectors
                            
                        
                                                        
                            
- Reducers allow you to step down from a larger size to increase air velocity where you need it most. 
 - Their versatility lets you adapt them to many machines.
 - Universal fit accompanies all dust collectors
 - Black plastic contruction