32 oz capacity. BLU Line daily protection (Chemical filtration for protection from emerging contaminants: PFOA, PFOS, Lead, VOCs, Heavy Metals). 3 month filter capacity for everyday use. Accepts any Series IV replacement filter. Miraguard Antimicrobial Technology suppresses the growth of bacteria, algae, fungus, mold, and mildew within the filter media. Vacuum insulated. BPA free, chemical free, and iodine free.