GBO GLASSBOTTLEOUTLET.COM (Pack of 48) 5 oz. Clear Glass Hot Sauce Bottle (woozy) with Black Cap and Orifice Reducer

GBO GLASSBOTTLEOUTLET.COM (Pack of 48) 5 oz. Clear Glass Hot Sauce Bottle (woozy) with Black Cap and Orifice Reducer – affiliate link, note that multiple variations of this product may be available, as such a different version may appear at this link

Also: Hot Sauce Making Supplies at Adventures in Homebrewing