This personal water filter straw is the perfect addition to your outdoor survival gear. With a 5000L filter life, it can fit water sources such as streams, rivers, lakes, puddles, well water, pond, pool, spring water, and even snow water. It is ideal for hiking, camping, traveling, hunting, and fishing. The 5-stage filtration system includes coconut shell activated carbon, medical grade hollow fiber membrane, and beads and medical grade PP cotton. This water filter straw is made by Membrane Solutions and weighs only 2.08 ounces. It has a size of 7.1'' long and 1" in diameter, and its product dimensions are 8.7 x 1 x 1 inches.This is for a set of Two Brand New 5-stage Filtration System.CategoryHome > Kitchen & dining > Water FiltersSizeN/ABrandNoneConditionNew