• Using an appropriate length of the 1/4” natural air line, connect the filter end to the bottom port of
the Soda Lime column. The top port is open to room air.
Assembling the Span Gas Source
• Locate the Span Gas Supply Assembly. It consists of 6 meters or more of yellow 1/4” air line joining
with a male quick-connect fitting plug and a yellow ruby restrictor.
• Connect the free end of the air line to the “Span Gas” port of the UGC.
• Form the length of the air line into a coil and store in a non-obstructive location.