Quote: (Originally Posted by
Dave Sutton)

5/8-18 for the thread. Diameter is about.... oh, make it 9 inches? Measurement later.
Dave
Hi Dave,
Any chance to verify the diameter yet? Or height from bottom of the tank to the center of the air outlet?
One other possability of sphere replacement would be 2, 3 or 4 very skinny tanks crosswize.
Thanks