METAL STEM & Plug in bowls
Not totally sure where this pipe fits in. Metal stem it certainly has, but unsure if bowl is meant to be detachable
6.2 inches long and the facility to take an in line filter in the stem. The stem continues rght through the bowl and enables air to be drawn through from front of bowl as well as smoke from bowl
This example thanks to John Phillips of Arkansas.
Ed James tells me that CDL is for Cooler,Dryer,Lighter. He has a display card with this on, the pipe retailed at $4.95 at that time.
"A couple of other things I remember about the CDL pipe. It was produced from 1975 to 1983 in limited qualities and test marketed in several U.S. cities but apparently never mass marketed" from Dave Whitney