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Pre-Filter Water Filter

Pre-Filter Water Filter is available for purchase in increments of 1
Only 1 items available Only 1 items availableOnly 1 items available

The SteriPEN Pre-Filter filters fits on Nalgene® and other 32 ounce wide-mouth water bottles and filters out particulates and debris. When in use, pour water through the durable 40×40 micron screen filter cartridge to fill the bottle. Then you’re ready to purify the water with a SteriPEN UV water purifier. Remove the filter cartridge from the Pre-Filter, insert the SteriPEN into the center of the filter, flip the bottle, and agitate the water until the SteriPEN indicates the treatment is complete.

  • 40 micron durable nylon screen with reversible cartridge for compact convenient storage
  • Dual water seals prevent contamination of drinking surface
  • Used with Nalgene® and other 32 ounce wide-mouth water bottles




Size: 1.85 in. (47mm) x 2.6 in. (67mm)

Weight: 1.5 oz (43g)