Here's what other sites are saying:
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).
Steripen FitsAll Filter The FitsAll Filter by SteriPen. To quickly filter water to purify with a SteriPEN, use the new SteriPEN FitsAll Filter to remove particulates from water with the use of a durable 4 micron screen. SPECIFICATIONS of the FitsAll Filter by SteriPen Product Dimensions: 2.8 L x 3.7 W x 3.5 H in. Product Weight: W/O Batteries: 2.3 oz Package Dimensions: 6.0 L x 2.8 W x 9.0 H in. Pkg. Wt.: 4.3 oz Units/Case: 24 Case Dimensions: 19.3 L x 16.5 W x 10.8 H in. Case Wt.: 9.4 lbs Harmonized Code: 8421.21.0000
The SteriPENFitsAll Filter effectively removes particulates from water with the use of a durable 40x40 micron screen. Its unique design, featuring the filter cup and funnel fit, offers flexibility to filter water into bottles with a wide range of mouth sizes, including narrow-mouth bottles such as commercial water bottles, soft-drink bottles, canteens and SIGG bottles. On wider-mouth bottles, such as Klean Kanteen, Gatorade and Nalgene bottles, only the cup is necessary. Removes debris before UV treatement. Works with most bottle sizes
- Tahoe Mountain Sports
Before you attempt to sterilize your drinking water in the wild, pass it through the Hydro Photon SteriPEN FitsAll Filter to remove particulates. This highly portable system uses a durable 40X40 micron screen to quickly and easily remove stuff floating around in your water, and works with just about any water bottle you might happen to be carrying.
The SteriPEN FitsAll Filter sifts out the big stuff from dirty water.
- All Mountain Access