Backcountry Edge

Meeting the EPA Guide Standard for removal of bacteria and protozoa, the Platypus GravityWorks Filter Replacement Cartridge ensures the continued effectiveness of your GravityWorks Filter.

The Katadyn Hiker & Hiker PRO Replacement Cartridge kit brings new life to your Hiker, Hiker PRO or Base Camp microfilter. The kit includes a 0.3 micron pleated glass fiber filter, a filter protector, silicon lubricant and a sponge for cleaning.

As the penetration of Ultraviolet (UV) light can be limited by debris, water must be clear prior to treatment with SteriPEN purifiers. The FitsAll Filter efficiently removes particulates and debris and is compatible with almost any water bottle.

The Katadyn Vario Replacement Cartridge brings new life to your Vario microfilter. The Vario Replacement Cartridge is a 0.3 micron pleated fiberglass filter that replaces the Vario's original filter after usage has reduced its functionality.

The Katadyn Vario Ceramic Disc brings new life to your Vario microfilter. The Vario utilizes the dual technology of ceramic and fiberglass filters. The Vario Ceramic Disc replaces damaged filters and restores the Vario to its complete functionality.

The Katadyn Cyst Filter can be used to replace the old or expired cyst filter in your Exstream or Exstream XR Purifier Bottle microfilters. This 1.0 micron filter is designed to eliminate all waterborne cysts, including Giardia and Cryptosporidium.

Breathe new life into your SteriPEN Water Bottle Pre-filter with the Pre-filter Screen Replacement. Easy to install, the screen enables you to filter the particulates that inhibit the SteriPEN's ability to safely and effectively treat water.

The MSR Quick-Connect Bottle Adapter allows you to securely connect your HyperFlow Microfilter to a wide-mouth, 32 oz. Nalgene water bottle or any other container with 63mm threaded openings.

The MSR HyperFlow Replacement Cartridge helps you restore the life of your HyperFlow Microfilter. The innovative hollow fiber cartridge screws easily into your HyperFlow Microfilter via a threaded attachment.

The MSR HyperFlow Microfilter utilizes a prefilter to remove sizeable debris and particles prior to the final filtering process. The HyperFlow Prefilter Replacement restores the functionality of your microfilter.

Keep your HyperFlow Microfilter working at its highest efficiency with the MSR HyperFlow Maintenance Kit. The kit includes two check-valve replacements, two O-rings, an O-ring removal tool, an O-ring installation tool and a tube of silicone lubrication.

Increasing the functionality of your Platypus GravityWorks filter (sold separately), the Platypus Universal Bottle Adapter allows the system to be connected directly to a wide array of water containers.

The Platypus GravityWorks Push-Pull Cap Adapter allows GravityWorks systems to filter and backflush directly with most hydration systems and all Platy bottles with Push-Pull caps (filters, hydration systems and bottles sold separately).

Custom designed to work in tandem with the CamelBak All Clear Microbiological UV Water Purifier (sold separately), the All Clear Pre- easily and efficiently removes particulates and debris, allowing the purifier’s UV light to effectively treat water.

If the water that you've filtered through your Katadyn Vario microfilter has begun to have an unpleasant taste or odor, it may be time to replace the Vario's carbon. The Vario Carbon Replacement revitalizes the performance of your Vario microfilter.

Providing safe drinking water in as little as 30 minutes, MSR Aquatabs meet EPA purifier standards for fast-and-effective treatment of viruses, bacteria, protozoa and Giardia cysts. Sold in packs of 30 (each tablet treats up to 2 liters of water).

Threaded for screw-top connection to the top of your Nalgene water bottle, the SteriPEN Water Bottle Pre-filter easily and efficiently removes particulates and debris, allowing the UV light of your SteriPEN to effectively treat water.