The outdoor market's best selling microfilter.  Compact design and easy operation.  Microfiltration method: AntiClog technology: 129 square inches of pleated 0.3 micron glass fiber media.  Output: Up to 1 qt./minute (48 strokes/minute). Cartridge capacity: Depends on water quality.  Weight: 11 oz.  Height: 6.5".  Hose length: 36".  Includes: Prefilter, universal bottle adapter and carry bag.