This is a RB Innovations High Performance Red Cyclone Air Filter.          
                                                                               
FEATURES: Red filter element                                                   
          Blue silicone 90 degree air filter elbow                             
          A "RB INNOVATION-COM" decal on the top of the air filter             
          Easily mounts to any 12mm or larger carburetor (all .21-.28, TRX 2.5,
              and O.S. .18 engines on any chassis                              
                                                                               
INCLUDES: One air filter                                                       
          One 90 degree elbow                                                  
          Three decals                                                         
          Two tie wraps                                                        
                                                                               
SPECS:    Air filter height:           1.72"         (43mm)                    
          Air filter diameter:         2.00"         (50mm)                    
          Elbow height:                1.44"         (36mm)                    
          Elbow inside diameter:        .51"         (13mm)