Serene House Cosmos Diffuser vs Golden Bronze Metal Essential Oil Diffuser

Buy the Serene House Cosmos if you want a small, clean-looking diffuser for a bedroom or desk and like rotating colored light. Buy the bronze 500ml metal diffuser if you want long run times, a real timer and a bigger tank for a living room or office. The Cosmos is the better-finished, US-made unit with a simpler feature set; the bronze unit wins on capacity and control. Owners of small ultrasonic units like the Cosmos report fine mist and quiet running, while large-tank metal diffusers are praised for output but draw comments about plastic inner tanks and light that is brighter than expected.

• Choose the Serene House Cosmos if you want a compact, modern white metal diffuser with rotating LED light for a bedroom, nursery or desk.
• Choose the bronze 500ml metal diffuser if you want a large tank, 1/3/6-hour timers and up to 10-15 hours of mist between refills.