The HomeScenter No.1 Bathroom 250ml Diffuser Refill has sparkling top notes of citrus combined with violet pine needles and orange peel with a background of amber wood, cedar, tonka and musk. Each product from this collection contains the smell controlling ingredient Odouraze, meaning not only does it look and smell nice but serves a purpose - counteracting unwanted odours in the home 250ml Should last approx 10-15 weeks