Condition: 100% Brand New High class quality and very durable Easy to Install No install instructions Intake Side inner Diameter: 18mm Intake Side Outer Diameter: 28mm Air Filter Mount inner Diameter: 35mm Air Filter Mount Outer Diameter: 38mm Fitment: For GY6 50CC 139QMB 139QMA For US: Baja, JMstar, Jonway, Lance, NST, Peace, Roketa, Sunl, Tank, TNG, Tomos Nitro, Vento, VIP... For Poland: Banzer, Barton, Zipp, Romet, Kingway, Zumico, Motorbike... For Russian: ABM, RACER, VENTA, STELS, IRBIS, OMAKS, NEXUS,PATRON,SAGITTA For other brands: for BAOTIAN, for JONWAY, for QINGQI, for SHENKE, for ZNEN, for LEIKE, for WANGYE, for LONGJIA, for YIBEN, for HUATIAN... Name:Scooter Carb Carburetor Colour:As Shown Material:Metal Package Contents: 1 set x Scooter Carb Carburetor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.