AccessoriescockpitaccessoriesSubscriber Only Save a Little O2 Tired of spewing expensive oxygen all over the cabin? Precise Flights conserver controls the flow. By estaff - Published: September 19, 2003 Updated: October 29, 2019 Print Email Facebook Twitter Tired of spewing expensive oxygen all over the cabin? Precise Flights conserver controls the flow. To continue reading this article you must be a paid subscriber Subscribe Subscribe to Aviation Consumer Start a subscription to Aviation Safety for just $18. And access all of our online content - over 2,000 articles - free of charge. Subscribe today and save 48%. It's like getting 3 months FREE! Already Subscribe?Click Here to Sign In | Forgot your password?