“One Way” polycarbonate check valve is touted as the perfect solution for precise and demanding requirements of chemical analysis and fluid and gas delivery. It comes in six styles featuring male and female luer with both locking swivel and slip connections. Ark-Plas Products, Inc., Flippin, AR * Molded with "Premium Grade" technology * Barbs molded without parting Line * Free floating diaphragms * Application Range: 1 to 150 PSI * Standard, Reducing, & Enlarging * Threaded/Barbed Combination * Duckbill style for low pressure