Craftsmen-use-tools / Painting Tools / Masonry Tools | Quick coupler sets:

This universal coupler is designed for matching couplers and connectors of the same interchange. It fits all five plugs including Aro, Tru-flate, Indu...

904 Series Ultra-Flo Interchange Automatic Couplers.

Aro, Tru-flate, Industrial, Ultra-flo and Lincoln .