Here under the brand TEKNIX, the pipe, sleeve, air box tube with air pre-filter with grid for Chinese scooter 50cc 4 times. Of good quality, it allows above all to refurbish your carburetion part at a good price. Flexible, its fixing diameter for carburetor is from Ø32mm to 35mm. It has a socket for Ø8mm hose. Delivered complete as presented with fixing collar and self-tightening collar for hose. Installs easily and disassembles completely for maintenance. 

Characteristics: 
-Diameter of the filter Ø40mm 
-Flexible rubber material 
-Fixing diameter for carburettor Ø32 to 35mm 
-Socket for hose Ø8mm 
-Total length 105mm (10.5cm) 
Mounts on GY6, 139QMA / 139QMB, Chinese 4T engine :
-AGM-GMX 450 QM50QT-6A 
-AGM-GMX 500 QM50QT-6A 
-BAJA BE500 50 4T 
-BAJA SUNCITY SC50 4T VIN LAW / LXKS 
-BAOTIAN ECO BIKE 50 4T (139 QMB) 
-BAOTIAN REBEL - ROCKY - TANCO 9/12 50 4T 
-BAOTIAN RETRO BT49QT 
-BAOTIAN BT49QT (all models) 
-BENZHOU CITY STAR (YY50QT) 
-BENZHOU FORMULA 2000 (YY50QT-6A) 
-BENZHOU FORMULA ONE (YY50QT-6) 
-BENZHOU RETRO STAR (YY50QT-15) 
-BENZHOU YY50QT-14 
-BENZHOU YY50QT26 
-BUFFALO WIND 50 
-DAZON DIAMONDBACK 50 4T 
-EPPELLA GMX 50 4T 
-ERIHNG SMART RIDER 50 
-EXPLORER CITY STAR (YY50QT) 
-EXPLORER FORMULA 2000 (YY50QT-6A) 
-EXPLORE FORMULA ONE (YY50QT-6) 
-EXPLORER LEVEL 100 (ZS50QT) 
-EXPLORER RETRO STAR (YY50QT-15) 
-EXPLORER WILD EAGLE (ZS50QT) 
-FLEX TECH DOLPHIN 50 4T 
-FLEX TECH FUN 50 4T 
-FLEX TECH URRICAN X1 4T (JL50QT-4) 
-FLEX TECH HURRICAN X2 (YY50QT-26) 
-FLEX TECH SPRINT-10 50 (SK50QT-A) 
-FLEX TECH SPRINT-12 50 (SK50QT-B) 
-FLEX TECH VENUS 50 
-FLEX TECH TOPDRIVE 
-FLY SCOOTER IL BELLO 50 4T 
-GORILLA MOTO WORKS BLACK JACK 50 4T 
-GARELLI FLEXI '50 4T euro 2 (1P139 QMB) 
-GARRELLI TIESSE FOUR 50 4T euro 2 (1P39QMB) 
-HUATIAN HT50QT-6/7/9/10/16/22/25/26/36 / ... 
-HYOSUNG NEWTEE UP 50 NH50QT-7 
-HUPPER MONTECARLO 30 50 4T (139QMB) 
-JACKFOX CITY STAR (YY50QT) 
-JACKFOX FORMULA 2000 (YY50QT-6A) 
-JACKFOX FORMULA ONE (YY50QT-6) 
-JACKFOX RETRO STAR (YY50QT-15) 
-JACKFOX YY50QT-26 
-JINLUN FIGHTER 50 (JL50QT-5) 
-JINLUN JL50QT-4 
-JMSTAR ACCIPITER 50 4T JSD50QT-21C 
-JMSTAR BREEZE 50 4T JSD50QT-13 
-JMSTAR EAGLE 50 4T JSD50QT-21 
-JMSTAR FALCON 50 4T JSD50QT-21A 
-JMSTAR SUNFIRE RACING 50 4T JSD50QT-27 
-JMSTAR SUNNY 50 4T JSD50QT-27 
-JMSTAR Z-BIKE 50 4T JSD50QT-15 
-JMSTAR ZEUS 50 4T JSD50QT-5 
-JONWAY BETA 50 4T 
-JONWAY LAMBDA YY50QT-21 
-JONWAY YY50QT-6 
-KARCHER KM 50 4T 
-KREIDLER FLORY 50 4T 
-KREIDLER RMC E50 4T 
-KYMCO AGILITY R16 - RS 50 4T euro 2 (KL10B) 
-KYMCO AGILITY 50 KT KG10SA 
-KYMCO AGILITY 50 BASIC 4T KD10SH 
-KYMCO AGILITY 50 CARRY 4T KG10DA 
-KYMCO AGILITY 50 CITY 4T KL10BA 
-KYMCO AGILITY R10 / 12 - RS 50 4T euro 2 (KL10B) 
-KYMCO AGILITY 50 MMC 4T KG10C 
-KYMCO AGILITY 50 ONE 4T KG10SD 
-KYMCO AGILITY 50 RS 4T KG10S 
-KYMCO DINK 50 4T euro 2 
-KYMCO DJ 50 S KG10B 
-KYMCO FILLY 50 4T SD10AC 
-KYMCO LIKE 50 4T KG10AA 
-KYMCO PEOPLE 50 4T euro 2 
-KYMCO PEOPLE S 50 4T euro 2 (BB10) 
-KYMCO PEOPLE S 50 BB10AA 
-KYMCO PEOPLE S 50 ELEGANCE BB10AJ 
-KYMCO SENTO 50 4T euro 2 
-KYMCO SUPER 8 50 4T euro 2 (KL10) 
-KYMCO VITALITY 50 4T euro 2 (SG10) 
-KYMCO YAGER 50 GT 
-LONGBO LB50QT-22 50 4T 
-LONGBO LB50QT-6 50 4T 
-LONGJIA LJ50QT-E 4T 
-MKS BT50QT-9 ECOBIKE 
-MKS YY50QT-26 
-MASSIMO SL50QT-2 50 4T 
-MAWI CITY SPIDER 50 4T 
-MAWI SPEED RACER 50 4T 
-MAWI STREET RACE 50 4T 
-MAWI SUPER POWER 50 4T 
-MOTO ZETA RALLY 50 
-MOTOFINO MF50QT-2/7 ... 50 4T 
-MOTORRO CLEA 50 
-MOTORRO COBI 50 
-MOTORRO DESIRE 50 
-MOTORRO HAWK 50 
-MOTOREK RACCOON 
-MOTOWELL MAGNET 4T 
-MOTOWELL YOYO 
-MALAGUTI DVD 50 4T (139 QMB) 
- PEUGEOT V-CLIC 50 4T 
- PEUGEOT KISBEE 50 4T 
-PULSE BT49QT-9 SCOUT 
-PULSE SB50QT-16 RHYTHM 
-PUMA JULIET 50 4T 
-PUMA LA VIDA 50 4T 
-PUMA ROMEO 50 4T 
-QINGQI V CLICK 
-REX CAPRIOLO 50 (QM50QT-6A) 
-REX RS 40 
-REX RS 450 
-REX RS 460 
-REX RS 500 
-REX RS 900 (QM50T-10A) 
-RIEJU PASEO 50 
-RIEJU TOREO 50 
-ROKETA BAHAMA MC-07 50 4T 
-ROKETA MAUI MC-08 50 4T 
-SYM SYMPLY 50 4T euro 2 (XS1P39QMB) 
-SYM FIDDLE 2 50 4T AW05W 
-SYM ORBIT 1 50 4T AV05W 
-SACHS 49ER FY50QT-5 
-SACHS BEE 50 FY50QT-13 
-SCHWINN HOPE 50 4T 
-SCHWINN LAGUNA 50 4T 
-SCHWINN NEWPORT 50 4T 
-SUKIDA DOLPHIN 50 
-SUKIDA ROMA 50 (SK50QT-9) 
-SUKIDA SPRINT-10 50 (SK50QT-A) 
-SUKIDA SPRINT-12 50 (SK50QT-B) 
-SUKIDA VENUS 50 
-SUNL SL50QT-2 50 4T 
-SUNL SL50QT-7 50 4T 
-TNG LOW BOY 50 4T 
-TANK SPORTY 50 4T 
-TANK URBAN 50 4T 
-XINLING XL50QT-B 
-XINTIAN (KINRIAD) XT50QT 
-WT MOTORS BILBAO 50 4T (PEDA 139QMB) 
-ZHONGYU ZY50QT-7 
-ZONGSHEN ZS50QT-4 (cab 50)
And many other models with 50cc GY6 4T engine.