Kordon/Oasis (Novalek) SOA80860 Frosted All Weather Ferret Water Bottle, 32-Ounce All weather ferret frosted water bottle is ideal for ferrets of all ages Designed with the angled cap and standard 7/16-inch diameter stainless steel drinking tube Drinking tube features double ball point vacuum valve Also features pink floating plastic ball that indicates water level at a glance Available in 32-ounce size