This simple-to-use optional cartridge reduces chemicals and bad taste from water. Replaceable activated-carbon cartridge removes chemicals such as chlorine, leaving water tasting fresh and clean. May be used with all brands of water systems. Attaches to 0.25-inch inlet and outlet hoses. Treats up to 60 gallons; package of two.

Keep your MSR HyperFlow?äó microfilter in tip-top shape with this handy maintenance kit. Kit includes a small check valve, large check valve, replacement piston O-ring and a replacement Quick Connect Bottle Adapter O-ring. Also contains an O-ring installation tool, O-ring removal tool, silicon lube and instructions.

This prefilter attaches to the end of a SweetWater inlet hose to prolong the life of the water filter. Removes 5 - 10 micron particles before they reach the main filter. SiltStopper is more porous than a SweetWater filter and may clog sooner?Çöprefilter replacements sold separately. Attach the SiltStopper such that the red side filters the incoming water.

These replacement filters for the Sweetwater Siltstopper (sold separately), remove 5-10 micron particles. Packed in a lightweight, protective case. Sold in a package of 3.

This small, complete maintenance kit is for the MSR Waterworks and Miniworks filters. Small enough to take into the field on long or short trips; contents are packaged into a small plastic case. Contains all necessary maintenance parts, including O-rings, inlet foam, inlet valve, outlet cap and silicone lubricant.

Recharge your SteriPEN Traveler or Adventurer water purifier while en route to the trailhead with this auto power cord. Adapter plugs into your vehicle's 12-volt power socket so you can charge it while on the road. Operates in conjunction with the SteriPEN Solar Charging case to charge two CR123 rechargeable batteries; case and batteries sold separately. Fully charges batteries in approximately 2 hrs.; LED light indicates charging status. Please note: Solar Charging case accommodates only the Traveler and Adventurer purifiers.

The cone-shaped SteriPEN FitsAll filter can be used to clear particulates and debris from water prior to treating it with your SteriPEN UV purifier (sold separately). FitsAll filter features a durable 4-micron screen that removes particulates from water while you fill your bottle. Just as the name implies, the filter fits nearly any size bottle on the market, from generic single-use plastic bottles to name-brand reusable bottles. FitsAll filter also enables the SteriPEN Journey and Classic purifiers (both sold separately) to be used with wide-mouth bottles in the inverted position for simple purifying. Rugged, flexible material allows the filter to stow away compactly and then snap back to shape when unpacked. FitsAll filter weighs 2.3 oz. (65g) and measures 3.7 x 3.5 x 2.8 in.

This SteriPEN prefilter fits the openings of Nalgene?« and comparable wide-mouth water bottles to filter particulates and debris from water. Use the prefilter to provide clear water, which in turn can be purified using the SteriPEN?äó Water Purifer or other purification methods. Prefilter screen has a square aperture equal to 17 square microns. Replacement cartridges available. .