SteriPen Water Bottle Pre Filter

When clear water is not available, use the Water Bottle Pre Filter by SteriPen. The Pre Filter filters out particulates and debris. Fits on Nalgene wide mouth water bottles. Specifications of the Water Bottle Pre Filter by SteriPen Product Dimensions: 2.7 W x 2.5 H in. Product Weight: WO Batteries: 1.5 oz Package Dimensions: 3.0 L x 3.0 W x 4.25 H in. Pkg. Wt.: 2.3 oz UnitsCase: 6 Case Dimensions: 12.5 L x 4.75 W x 9.5 H in. Case Wt.: 1.4 lbs Harmonized Code: 8421.21.0000