Product Price Power Consumption (Watts) Coverage Area (sq ft) Run Time (hours) Refill Interval (days) Fragrance Capacity (ml) Auto Shutoff
Plant Guru PG_200mlDiffuser14Oils_White
US
£37.95 Input Power: AC 100-240V 50/60HZ 6 hrs high mist mode, 10 hrs low mist mode 14 x 10 ml

This Plant Guru 200 ml ultrasonic diffuser (white) uses ultrasonic technology to produce a cool mist, with adjustable high/low mist modes and timer settings (1H/2H/3H/ON continuous). It includes 14 essential oils (14 x 10 ml) and has automatic shut-off when water runs out for safety. It suits small rooms like bedrooms, offices, yoga rooms, and as a simple starter setup for aromatherapy.

★ Ideal for

It's easy to maintain because it has an auto shut-off when the water runs out and a fixed 200 ml water tank capacity with timer modes (1H/2H/3H/ON continuous).

Home Depot (unbranded waterless essential oil diffuser) 11AS59D048
US
£64.96 20mL

This is a portable, waterless essential oil diffuser with 3 mist levels and 4 timers. It is designed to operate quietly (below 40dB) and is intended for use in bedrooms, offices, or cars. The unit uses waterless operation and includes a 20mL capacity.

★ Ideal for

For easy cleaning and maintenance, it's a waterless diffuser (no water reservoir to empty or manage) and it runs with 4 timers while using a small 20mL fragrance capacity.

Vitruvi Stay Diffuser
US
£84.90 700 sq. ft. 18 hours

The Vitruvi Stay Diffuser is an ultrasonic diffuser designed for large spaces up to 700 square feet. It offers three run-time settings (6 hours, 12 hours, and 18 hours) and automatically shuts off before the water reservoir is completely empty.

★ Ideal for

It's a large-coverage, long-run diffuser (up to 18 hours and up to 700 sq. ft.) that automatically turns off before the water reservoir is completely empty, reducing how often you need to refill for ongoing use.