The Rockler Dust Right® 2 1/2" Rubber Unions are specifically designed for dust collection in woodworking equipment. Made by the reputable brand Rockler, this quantity of four unions ensures a secure and efficient connection for dust extraction systems. With its 2 1/2" size, these rubber unions are compatible with a variety of woodworking machinery, providing a reliable solution for maintaining a clean and safe work environment.

One of the unions had a chunk of rubber cut off but it’s still fully functional, see picture.

Current new price at Rockler is $12.99 each.