Pipe Coupler Application Dental Equipment Pneumatic Systems Water Lines Fitting Side A Connection Type MNPT Fitting Side B Connection Type Plug in Stem Flow Control Type Flow-through Fitting Side A Pipe Size 1/4 in Fitting Material Brass Overall Length 1 9/32 in Specific Fitting Shape Straight Through Coupler Finish/Coating Chrome Plated Material Grade CA360 Fitting Side B Tube Outer Diameter 1/4 in Compatible Tube Material Nylon Polyethylene Polypropylene Vinyl