Qosina has an extensive inventory of tube-to-tube barb connectors offered in more than 500 configurations. These connectors accommodate inner tube diameters as small as 1/32 inch (0.031 inch, 0.8 ...

Note: Square pipe ends fit snugly into the fittings ... Roll a quarter sheet of 80-grit sandpaper into a tube and flatten it slightly to match the curve of the pipe. File off the inner burrs with the ...