The moisture meter can quickly measure the moisture content of the grain. 1. For the removal of large particles, as well as small impurities such as residual silt and rust, while preserving beneficial minerals. 2. Multi-layer filter and straw design, you can pour water from outside into the bag or directly filter the drinking water. 3. It is convenient to carry, easy to use and has a long service life. The Element element can be replaced or cleaned for a better filtering effect. 4. Excellent survival equipment for your outdoor water needs, so you can enjoy safe and clean water while on the go. 5. It is also very suitable for outdoor recreation, hiking, camping, domestic and foreign travel and emergency preparedness. . TOURIST FILTER FOR WATER STRAW SURVIVAL . TOURIST FILTER FOR WATER STRAW SURVIVAL Specification: Item Type: Water Filter Straw Material: ABS Length: approx. 14 cm / 5,5 inch Width: approx. 3,5 cm / 1,4 inch Product weight: approx. 136 g / 4,8 oz Filter life: 5000L . TOURIST FILTER FOR WATER STRAW SURVIVAL . TOURIST FILTER FOR WATER STRAW SURVIVAL List of packages: 1 x Water Filter 1 x Straw 1 x syringe 1 x Water Bag 1 x Manual . TOURIST FILTER FOR WATER STRAW SURVIVAL . TOURIST FILTER FOR WATER STRAW SURVIVAL