Lasts for a minimum of 3 months; depending on room size can last many months.
- Atlantic: Bergamot, Lavender, Violet
- West Coast: Fir, Spruce, Oak Moss
- The North: Amber, Arctic Heather, Moss
- Great Lakes: Sweet Fern, Blackberry, White Oak
- Vis (Strength): Myrrh, Amber, Sandalwood
- Hiems (Comfort): Geranium, Patchouli, Cypress
- Silentium (Silence): Bergamot, Lavender, Musk
- Vita (Life): Fig, Vetiver, Cedar
- Vis (Strength): Myrrh, Amber, Sandalwood