Geigerrig VIRUS in Line Filter for Hydration Packs<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Geigerrig Hydration Reservoir (Hydration Engine) is ready for this filter. </span></li><li><span class="a-list-item"> Consistently removes protozoan cysts， bacteria， and virus to ANSI/NSF Standard 52， and US EPA standards without the use of disinfecting chemicals such as chlorine， bromine， or iodine. </span></li><li><span class="a-list-item"> Suppresses the growth of bacteria， algae， fungus， mold and mildew within the filter media. </span></li><li><span class="a-list-item"> 100 gallons of filtration. Depends on the amount of sediment in the water. </span></li><li><span class="a-list-item"> 5.75 inches long. 1.5 inch diameter. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31L1f5rayNL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31wxXKKwP%2BL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51QFjIS2GdL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51InWh1mowL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51%2Bt4ltzYEL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51GCZTyv4aL.jpg" noproxy>