BRIEF INTRODUCTION OF VACUUM PUMP CONNECTORS AIRBEST connectors work as connecting components in vacuum system. VACUUM PUMP HOSE CONNECTORS SERIES PJP Series Universal One-touch Fitting Connectors PJP Series PJQ Series Universal Pagoda Fitting PJQ Series PDA Series Universal Block Plug PDA Series PDR Series Positive Pressure/Vacuum Shunt PDR Series Large diameter inlet and outlet are optional Low flow resistance Solution of hose diversion PTS Series PVC Transparent Stainless Steel Hose PTS Series PTK Series Stainless Steel Hose Clamp PTK Series If you want to buy suction cup connector, please contact us. As one of vacuum suction cup manufacturers, we will do our best to meet all the needs of customers.