Key Features

• 3-Stage efficiency filtration - Joypur collapsible water bottle has a filtration accuracy of 0.01µm and removes 99.9999% of microscopic substances,cysts,particles and sediments.consists of 3 layers of filtration material:ultrafiltration membrane,PP cotton and carbon fiber.NSF Certified,FDA Food-Grade Materials,BPA Free.It also eliminates odors and improves the taste of water.
• Long Lifespan - this water filter has a long lifespan of 5000 liters(1320 gallons) ,built to last for years of daily hikes, multi-week expeditions, or even daily use at home. Flow rate:600ml/min （Notes：upgraded carbon filtration design may cause slight squeezing difficulty. designed for superior precision and water purity.）reliable, effortless hydration that lasts as long as your adventures do.you can simply backwashing the filter with clean water to remove sediment and restore flow rate.
• Featherlight & packable design - Large Capicity-32oz(1000ml) Weighing-0.23lb（105g） next to nothing, this collapsible soft flask rolls down to the size of a fist when empty, freeing up valuable space in your backpack or hip pocket; The rugged yet flexible material allows you to carry it everywhere, ensuring you have access to safe drinking water whether you are deep in the backcountry or navigating a city with questionable tap water
• 100% Leak-proof guarantee: Built for the long haul, our upgraded food-grade thickened TPU padded material is designed to be sturdy and abrasion-resistant, addressing common durability issues found in competitors; Whether you are traversing the Appalachian Trail or traveling overseas, trust a water filter that survives the elements and keeps you safe from waterborne threats.
• Hassle-free customer service-we offer 30 days return and exchange without reason,3 months warranty and 24 hours online customer service.Every joypur filtered water bottle is carefully inspected before delivery in the hope of bringing you the best!We also have standard thread replacement filters available on Amazon (ASIN: B0DK3RKNXX).

Specifications