http://aqualabtechnologies.com/tutorial/downstem_measuring_guide/downstem_measuring_guide_7_12.pdf
is it measuring the whole length or just the ground glass to tip?
Can anyone let me know what the downstem measurements are referring to(whole length or to ground joint)?
http://www.ioffer.com/i/ash-catcher-14mm-by-14mm-downstem-showerhead-4-0-575947174