- Luna G3 heated tubing - financing option - interest-free financing - sleep apnea - CPAP equipment - payments over time - PayPal Credit account - minimum monthly payments - interest charges - promotional period - US customers - credit approval - React Health's Luna G3 CPAP Machines - humidity control - rainout prevention - 6ft length - 22mm cuffs - compatibility with CPAP masks - Heated Tubing option - machine's Settings menu