RED line. Replaceable filter provides maximum protection from virus, bacteria, Cryptosporidium and Giardia with up to 600 ml/min flow rate. Easily adapts for use with bottles, hydration bladders, gravity and DIY systems using patented UQC connectors. Accepts any series IV RED Line (virus) or GRN line (bacteria) filter. Miraguard antimicrobial technology suppresses the growth of bacteria, algae, fungus, mold and mildew within the filter media. 120 gallons. BPA free. Chemical and iodine free. Hang packaged.