BK-2000 and an extra set of replacement filters. Button can be easily pressed to clean water in outdoor environment;In the process of getting water outdoors, freeing your hands,you can pack your bags, set up tents, cook, etc. The emergency light makes it easy to get water outdoors at night. The multi-functional storage bag can store all the accessories, and can be easily hung on the backpack, belt and trousers etc. Features: Dual replacement filters version: BK-2000 and an extra set of replacement filters [High Precision Filtration Technology] Adopts innovative 5-stage filtration.Ultrafiltration membrane, PP cotton, KDF and activated carbon in the filter element can ensure 0.01 micron ultra-high precision filtration; and can improve the taste. Passed FDA standard test, FCC, UL, SGS certification. [Full Automatic | All Day] Button can be easily pressed to clean water in outdoor environment;In the process of getting water outdoors, freeing your hands,you can pack your bags, set up tents, cook, etc. The emergency light makes it easy to get water outdoors at night. [Fast and Long Endurance] Ultra fast purified water flow of 700ml (23 oz.) per minute.Built in large capacity lithium battery, one charge can purify 168000ml(5681 oz.) of water, enough for 10-to-15-day backpacking and multiple people to use at the same time.It can be powered in multiple ways: mobile power supply, solar panel, vehicle power supply etc. [Light, Small and Portable] Only weighs 350g and is small in size; The multi-functional storage bag can store all the accessories, and can be easily hung on the backpack, belt and trousers etc. Package Includes: 1 Camping Water Filter Purifier Listing and template services provided by inkFrog