Camping Essentials | Water Filtration & StorageGraylSold by Sportsmans Guide

Grayl

GRAYL UltraPress Replacement Filter

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Replacement Cartridge

For the GRAYL Ultralight Water

Rated 300

Uses, or approximately 40 gallons

Purifies Filters

Water in 15 seconds at

Removes Waterborne

Pathogens, including viruses, bacteria, and

Improves Water

Flavor, odor, and clarity

$24.95
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SKU: WX2*0711202

Overview

Built for hunters and backcountry travelers who rely on a compatible GRAYL Ultralight Water Purifier, this replacement cartridge keeps the system ready for repeated use in the field. It is rated for 300 uses, or about 40 gallons, and is designed to purify and filter water in 15 seconds at 2 liters per minute. The cartridge removes waterborne pathogens, including viruses, bacteria, and protozoan cysts, while also improving flavor, odor, and clarity. It is a practical maintenance item for anyone who wants to keep their purifier functioning as intended on extended trips.

Why Hunters Choose the Grayl

Replacement Cartridge

For the GRAYL Ultralight Water

Rated 300

Uses, or about 40 gallons

Purifies Filters

Water in 15 seconds

Removes Waterborne

Pathogens, including viruses, bacteria, and

Improves Water

Flavor, odor, and clarity

Key Features

  • Replacement cartridge for the GRAYL Ultralight Water Purifier, sold separately.
  • Rated for 300 uses, or approximately 40 gallons of water.
  • Purifies and filters water in 15 seconds at 2 liters per minute.
  • Removes waterborne pathogens, including viruses, bacteria, and protozoan cysts.
  • Improves water flavor, odor, and clarity.
  • Tested to NSF/ANSI standards 42 and 53.

Best Used For

  • Hunters carrying a GRAYL Ultralight Water Purifier who need a replacement cartridge for trips.
  • Backcountry users wanting fast water treatment during multi-day hunts and remote camps.
  • Outdoorsmen prioritizing removal of waterborne pathogens from field water sources.
  • Users focused on improving water flavor, odor, and clarity while traveling light.
  • Anyone planning extended use and needing a cartridge rated for about 40 gallons.

Specifications

Capacity40 gallons (150L)
Compatible ProductGRAYL Ultralight Water Purifier (sold separately)
Filter Life300 uses
Flow Rate2 liters per minute
Improveswater flavor, odor and clarity
Nsfansi Standards42 and 53
Purification Time15 seconds
Removeswaterborne pathogens (viruses, bacteria, and protozoan cysts)
Replacement CartridgeYes

Pros

  • Replacement cartridge for the GRAYL Ultralight Water Purifier
  • Rated for 300 uses, or about 40 gallons of water
  • Purifies and filters water in 15 seconds
  • Removes waterborne pathogens, including viruses, bacteria, and protozoan cysts
  • Improves water flavor, odor, and clarity
  • Tested to NSF/ANSI standards 42 and 53

Considerations & Trade-offs

  • Designed specifically as a replacement cartridge for the GRAYL Ultralight Water Purifier, so it is not a standalone purifier.
  • The filter life is finite at about 300 uses or 40 gallons, so it needs periodic replacement rather than serving as a long-term permanent component.
  • Performance is tied to the purifier system and its 15-second treatment cycle, which may be a consideration when planning water treatment for longer trips.
  • It is focused on purification and improvement of water flavor, odor, and clarity, so users should expect a cartridge replacement item rather than a complete water system.

Suggested Comparisons

  • Replacement water purifier cartridges
  • Portable water purification systems
  • Backcountry water filtration accessories
  • Outdoor hydration accessories

Suggested Accessories

  • Replacement filter cartridge
  • Water purifier bottle
  • Water storage container
  • Cleaning brush

Frequently Asked Questions

What purifier does this replacement filter fit?

It is for use with the GRAYL Ultralight Water Purifier, sold separately.

How much water can one replacement filter treat?

The filter is listed to last 300 uses, or approximately 40 gallons (150L) of water.

What does this filter remove from water?

The product description says it removes waterborne pathogens, including viruses, bacteria, and protozoan cysts.

How fast does it purify water?

The description states it purifies and filters water in 15 seconds, at 2 liters per minute.

Does it improve water taste or clarity?

Yes. The product description says it improves water flavor, odor, and clarity.