Oxygen concentration：90%-96%
*High flow：3L
*Imported molecular sieve
*multiplicity purification
*Low noise
*Abnormal alarm
*Timing
*Integrated atomization and oxygen generation
Provide English stickers
4 GREAT REASONS TO BUY FROM US:
- Over 37,000 happy customers across the US
- Real people on our support team ready to help
- The finest materials and stunning design — all our products are developed with an obsessive dedication to quality, durability, and functionality
- We use the most secure online ordering systems on the market, and are constantly improving our software to make sure we offer the highest possible security
