Introducing the 3/8" FNPT H Style Couplers – Optimal Air Connectivity for Larger Tool Applications. Specifically designed for larger tool applications that demand higher SCFMs, these couplers are engineered to meet your pneumatic needs with precision. With a maximum pressure rating of 300 PSI and a 3/8" basic flow size, these H style couplers ensure efficient air transfer, making them ideal for robust applications. Complete with a Buna-N Seal for enhanced sealing reliability, these couplers are equipped to withstand the demands of varied pneumatic tasks. Featuring an impressive airflow capacity of 67 SCFM, these couplers guarantee optimal performance, facilitating the seamless operation of your larger tools. Upgrade your pneumatic connections with the 3/8" FNPT H Style Couplers – the perfect solution for enhanced air connectivity in heavy-duty applications.