Connectors, manifolds, air regulators Harder & Steenbeck manufactures various connectors, fittings and air regulators for compressors, hoses and airbrush instruments. Please view the available choices in the PDF file attached. Connectors	Vision: 2 to 6 way manifold with G ¼" female thread 6 hose connections M5 for hose 4 x 6 mm, 4 closing screws M5. Air distributor used for connecting two to six airbrush instruments to one compressor.