The rapidpure purifier+ insulated bottle allows for fast, effective water purification as you drink no pressing, squeezing, priming, or backflushing required.The proprietary insulated double-wall stainless steel bottle features our new pod platform using ultraceram and openpore technology for protection against viruses, bacteria, parasites, and more.Compatible with most wide-mouthed (2.5in/63mm) water bottles -- use with your favorite bottle!Color: SilverMaterial: Stainless SteelDimensions: 3.5" x 3.5" x 11.1"