with multiple outlets, 300 Series eSafe Multi-Link offers both flexibility and high performance, units can be easily linked together to form larger outlet units, combine with CEJN's polyurethane tubing and FRL units to create safe and flexible, high-performance air distribution systems, eSafe Multi -Link 300 series conforms to ISO standard 4414 and EN 983, this version offers the following standard features: one-hand operation, high flow and long service life