InnoGear 500ml large capacity essential oil has different color base. Large 500ml water capacity runs for up to 8 hours in high mist mode and 17 hours in low mist mode continuously. Link to learn more: https://www.amazon.com/dp/B0181XCFKK Follow me YouTube: https://www.youtube.com/c/InnogearNet… Instagram: https://www.instagram.com/innogearoff… Facebook: https://www.facebook.com/InnoGear.net Twitter: https://twitter.com/innogearmarket1 G+: https://plus.google.com/u/0/+Innogear… Follow Onepure Essential Oils: Website: http://www.onepure.org/