All-copper material provides durability and corrosion resistance. Straight through design reduces airflow restriction and pressure drop. Quick-in mechanism allows tool-free and secure connection. Range of tube sizes from 4mm to 12mm for versatile use. Compatible with pneumatic systems, automation equipment, and fluid control. When installing, simply press down the connector spacer first, then insert the air hose to the bottom—ensuring the hose cross-section is flat is essential to avoid air leakage., Manufacturer: LYVQZPWLR