Drinkrite Personal Water Filter Straw Purifier with Locking Carabiner and Compass for Camping Backpacking and Prepper Survival Gear Removes 99.9% of Bacteria PERSONAL WATER FILTER STRAW KIT includes 1 personal filter straw; a syringe for cleaning the filter; a plastic tube to connect to a water bag; a locking carabiner clip; and a compass to keep you on course REMOVES 99.9999% of waterborne protozoan parasites and waterborne bacteria such as giardia, cryptosporidium, e-coli, salmonella, legionella and coli bacillus, surpassing EPA standards for water filters. Obtain safe, potable drinking water from any stream, pond or lake. A great addition to all emergency survival kits, home emergency kit and first aid kits ATTACHES TO A WATER BAG with the included tube, or has threading on the bottom of the straw for plastic bottles. Collect, filter and replenish water efficiently, when the next water source is unknown. Great for all survival emergencies. CLEAN DRINKING WATER - FILTRATION FOR UP TO 1,500 LITERS of contaminated water without iodine, chlorine or other harmful chemicals. Use the included syringe to backflush the straw, prevent clogging and extend the filters lifespan LIFETIME WARRANTY insures your complete satisfaction. If the Drinkrite Water Filter Straw does not perform to your expectations, simply return it for replacement or 100% refund of your purchase price