BSP Ecological flat flace coupling-- ISO16028BSP Ecological flat flace coupling-- ISO16028 Flat face coupling (Metric thread)Flat face coupling (Metric thread) Flat face coupling bulkhead (Metric thread)Flat face coupling bulkhead (Metric thread) Flat face quick release coupling connectable u/pressure BSPFlat face quick release coupling connectable u/pressure BSP Flat face quick release coupling inner threads (UNF thread)Flat face quick release coupling inner threads (UNF thread) Flat face quick release coupling inner threads BSPFlat face quick release coupling inner threads BSP Flat face quick release coupling inner threads high pulsations BSPFlat face quick release coupling inner threads high pulsations BSP NPT Ecological flat face couplingNPT Ecological flat face coupling