Product Summary: 1. triangular fluid bottle, 2. sand core filter head, 3. filter cup 500ml, 4. fixed clip, 5. dust cover, 6. hose, 7. hose links Features: 1、High quality glass material, the glass is smooth and transparent, no bubbles, uniform wall thickness. 2、Using special hard high-quality glass material, good pressure resistance, can be sterilized by 121℃ hot pressure sterilization. 3、PTFE type solvent filter is acid and alkali resistant, corrosion resistant, and can filter all kinds of aqueous solutions, organic solutions and corrosive liquids. 4、This product has fast flow rate, standard grinding mouth and good sealing performance. 5、Size specifications are in line with international standards, and can be intermixed with many foreign brands.