John Cage: Diary: How to Improve the World (You Will Only Make Matters Worse)

C Type Self Locking Quick Connector for Air Compressor, 8/10/12mm Pneumatic Fittings Compatible with PU Hose, Industrial Plastic Steel Coupling with(SP40+PP40)

Colorfit by Milton Coupler & Plug Kit (A-Style) with Rubber Bumpers – 1/4" NPT Quick Connect Hose Fittings for Air Tools & Compressors - 14-Piece

Dixon Valve D3F2 Steel Industrial Interchange Pneumatic Fitting, Nipple, 3/8" Coupling x 1/4" - 18 NPTF Female Thread

Foster FM6506, 6 Series, Industrial Coupler, Automatic, 3/4" Male NPT, Brass by Foster

Coilhose Pneumatics 15X4PR Body Size Coilflow Six Ball Industrial Interchange Coupler, Reusable Polyurethane Hose Barb, Brass, 1/4"

Dixon Valve 2DF2-S Stainless Steel 303 Automatic Industrial Interchange Pneumatic Fitting, Socket, 1/4" Coupler x 1/4" - 18 NPTF Female Thread

Industrial Style 1/4'' Pneumatic Nipple 1/4'' Female Pipe

Dixon Valve 4DF4-B Brass Automatic Industrial Interchange Pneumatic Fitting, Socket, 1/2" Coupler x 1/2" - 14 NPTF Female Thread