769 ml. Filter included. 99.6% effective against dissolved solids. 5-Stage Advanced Filtration: 1. Coarse filter to remove fine particles and sediment. 2. Multi-layer system using activated carbon & oxidation reduction alloy. 3. Distributor that maximizes contact time. 4. Comprehensive ion exchange array. 5. Non-woven membrane to remove ultra-fine particles. 000 dissolved solids, just like purified water (based on the FDA standard). ZeroWater removes 99.6% of all total dissolved solids based on EPA certified lab tests, measuring 000 ppm on a digital TDS water meter. Recyclable filters. Conventional filtered water. www.zerowater.com. 5-stage portable filtration. BPS-free plastic. Quick-color change indicator. Top shelf dishwasher safe. Easy to hold grip. Hard plastic screw. 5-stage filter technology. Color-change window. 26 oz filtration system features. Designed in USA, assembled in Mexico with imported components.