The fitting barb and the compression rings are covered with a unique, high-quality satin black finish. Both are made of CNC machined brass and the seal is made quality rubber O-rings. Black EK-Quantum Torque series fittings are intentionally not painted on the inside to reduce the level of possible pollutants in the loop. 

These fittings are guaranteed to be compatible with all other EK Water Blocks liquid cooling products.

Technical data:
– Finish: Satin Black
– Thread: G1/4″ BSPP; 4.5mm male thread length
– Supported tube: 12/16mm (ID/OD)
– The outer diameter of a fitting: 23mm
– Installed height: 19mm
– Compatible soft tubing: PVC, EPDM, Norprene, silicone and most other flexible tubes