Description Manuals Videos Articles Clemco 22815 - O-ring, breathing tube Apollo 20 Item # 16 Apollo 60 Item # 21 Apollo 600 Item # 22 Customers Also Viewed Clemco Apollo Helmet Breathing Tube Assembly #22811 $61.11 Clemco Apollo 60 and Apollo 600 Outer Lens Co… #04361 $18.43 Clemco Apollo 600 Air Inlet Fitting #23804 $1.46