Do not hesitate, this is the best backpacking water filter. Stainless steel water bottle, does not break scratch or add plastic taste to the water, resist sun and harsh conditions.
Filter purifier is 0.1 micron rating hollow fiber membrane to remove 100% turbidity and bacteria with 100,000 liter rated life. Backwashing every month to ensure this long rated life of filter, with syringe included in the purchase.
Please look for the product in AMAZON under Water Filter Bottle BOTEOZ or contact us at email@example.com for more information.