VCL straight union for 2 x PTFE hose NW 10/8 mm The VACUU·LAN® local vacuum network from VACUUBRAND supply multiple workstations with a single compact vacuum pump. The VACUU·LAN® local vacuum network from VACUUBRAND supply multiple workstations with a single compact vacuum pump. It offers not only savings in working space, but also high performance, modularity and easy adaptability with moderate investment requirements.