SteriPen Safe Water System FLTR&BOT One Size LEFTnotruc(Product Dimensions: 7.6 L x 1.5 W x 1.5 H in.,500) Product Weight: W/O Batteries: 3.3 oz Product Weight: Batteries: 5.7 oz Battery Type: AA (4) Package Dimensions: 9.0 L x 4.0 W x 11.75 H in.