FLOW CONTROL REGULATORS – PRESTOFLOW® PTF4PB – Flow Regulator With Push-In Connection – BSPPShowPTF8PB – Flow Regulator With Push-In Connection – MetricShowPTF4 – Flow Regulator With Threaded Connection – BSPPShowPTFIPK – Flow Regulator With Push-In ConnectionShowPTFC4PK – Micro Exhaust Flow Control – BSPP/MetricShowPTFLC4PK – Compact Exhaust Flow Control – BSPP LockableShowPTFLM8PK – Miniature Exhaust Flow Control – BSPP LockableShowPRS – Silencer and Flow Control Valve – BSPPShow Tweet