Propane is 1.5 times as dense as air, which is why it never understands oxygen's political cartoons in the New Yorker. Sublimate to comedic transcendence with today's Groupon: for $10, you get a 20-pound barbecue-propane-cylinder refill at Propane Central (up to a $22 value). Choose from the following locations: Concordia, Junction City, Salina, or Wichita.
The gas purveyors of Propane Central empower grills across Kansas. Hopeful barbecuers bring their depleted vessels to one of four offices to receive a 20-pound barbecue-propane-cylinder recharge so that they may continue charring steaks or roasting incriminating laptops full of fan fiction about C-SPAN commentators. The offices are open for immediate transfusions from 8 a.m. to 5 p.m. Monday–Friday, with the exception of the Concordia location, which is open Monday–Thursday.