Packaging: 4 x siphons. Material structure: It adopts healthy, safe and hygienic food-grade plastic, and can be used with confidence. Size: about 1.9m long. Convenient and practical: the siphon ball resists pressure. When installing, the arrow faces outward; the filter head acts as a slag stopper to prevent the siphon from clogging. Wide range of uses: suitable for filtering red wine, wine, coffee, milk tea, soy milk, honey, enzymes, etc. It can meet the filtering needs of most families.