The PCV Pipe Cupla is manufactured by Nitto, and is a quick connect coupling that fastens itself to a straight pipe made of copper to avoid unnecessary welding or flaring. When connected, it has the capacity of withstanding vacuums of up to 1.3 x 10-1Pa making it suitable to use in leak testing, and refrigerant gas charge. The unit features a body made of brass that has a double seal construction which guarantees sealing and vacuum resistance. It has a working pressure of up to 45 bars.