air wick essential mist lavender

Lavender & Almond Blossom blends lavender with a sweet, creamy almond blossom note and is formulated with natural essential oils.

Per the product details, each refill provides up to 45 days of fragrance when used on the Low setting.

The device starts with a 2X initial fragrance boost, then follows an 8‑hour run cycle and a 16‑hour standby cycle.

Three settings are available: Low — 4 sec mist then a 17‑minute pause; Medium — 5 sec mist then a 12‑minute pause; High — 6 sec mist then a 10‑minute pause.

Refill sizes shown include 0.67 fl oz and 2.01 fl oz.

The product is an electric oil diffuser and uses mains power; it does not use batteries (product details list "Battery: 0 No Battery Used").

No. Refills come ready to use with no water required and are designed to be easy to change out.