This T fitting from HYDROLICO is designed for efficient fluid or air transfer. It features a 4mm tubing connection and an M5 thread, making it suitable for various plumbing and HVAC applications. Sold individually for convenience.The HYDROLICO EM-ZPB04-M5 is a T shaped fitting. It is designed to connect 4mm tubing and has an M5 thread. The product is sold in units of 1.