MSR Sweetwater Silt Stopper II Replacement Filter

These replacement filters for the Sweetwater Siltstopper sold separately, remove 5 10 micron particles. Dimensions: 3.5 x 1.5 8.9 cm x 3.8 cm Wt. 1.4 oz 39.6 g Sold in a package of 3. Packed in a lightweight, protective case Made in USA. PLEASE NOTE: If you live in the state of Iowa, we are unable to sell you any water purification system due to Iowa Department of Public Health Restrictions. We apologize for any inconvenience.