?Multi-scene Application?As a necessity for outdoor water purification, the Waterdrop Gravity Water Filter Straw is applicable to hiking, camping, domestic and international travel, emergency preparedness (tornadoes, rainstorms, earthquakes, floods, etc.) to meet the emergency water demand in a variety of situations. ?Warm Prompt?Note: If the gravity bag is used to filter water, turn on the drainage valve first to empty air from the hose before connecting with the straw to avoid no water flow in a vacuum state. ?Versatile Uses?The Water Filter Straw can be connected with water bags or water bottles to filter water for drinking. Both ends of it can be disassembled and connected with the water bags and the water bottles to offer you clean drinking water anytime anywhere. ?Longer Lifespan with Recyclable Straw?With innovative backwash purifier function, the inside of the Water Filter Straw can be kept clean at all times and it is recyclable, safe and pollution-free; the Waterdrop Filter straw can provide safe drinking water up to 1,400 gallons (5,300 liters), and ensures the maximum water flow rate of up to 700 ml/min to provide more relaxed outdoor water drinking experience. ?Professional Combination?Waterdrop Gravity Water Filter Straw with 1.5 gal Gravity-Fed Water Bag is an exclusive water purification combination created for outdoor activities and first aid survival. The large-capacity water bag can hold up to 1.5 Gallons of water at a time, which is about 11 bottles of 500 ml bottled purified water, and can meet the all-day demand for outdoor water drinking. ?5-Stage Efficient Filtration?With adoption of premium-quality coconut shell activated carbon, 0.1 um ultrafiltration membrane and other raw materials, the Water Filter Straw can effectively reduce harmful substances like chlorine, particulates, sediment, stones, sand, dirt, bad taste &odor in water to ensure the water safety and deliver better drinking experience.

Item Weight: 0.29 Pounds. Power Source: Non Electric. Purification Method: Hollow Fiber Ultrafiltration Membrane, Activated Carbon. Package Information: Bag. Included Components: Water Filter Straw *1, 1.5 Gal Gravity-Fed Water Bag *1, 16 oz Water Pouch *1. Capacity: 1400 Gallons. Material: BPA Free Food-Grade Material. Special Feature: Water Purifier Survival, Gravity Water Filter Straw. Color: Blue. Brand: Waterdrop. Date First Available: April 2, 2020. Best Sellers Rank: #9,655 in Sports & Outdoors. Customer Reviews: 4.7 out of 5 stars 2,643 ratings 4.7 out of 5 stars. : B086QNLBB4. Style: ?Gravity Water Filter Straw/1. Part Number: ?WD-FSBUL. Manufacturer: ?Waterdrop. Number of Items: ?1. Warranty Description: 30 days limited filter warranty - Any part of the water filter which fails due to a defect in materials or workmanship during this limited 30-day warranty. Brand Name: ?Waterdrop. Package Weight: ?0.47 Kilograms. Item Package Dimensions L x W x H: ?11.02 x 6.93 x 3.66 inches. Model Name: ?WD-FSBUL. Item Weight: ?0.29 Pounds. Power Source: ?Non Electric. Purification Method: ?Hollow Fiber Ultrafiltration Membrane, Activated Carbon. Package Information: ?Bag. Included Components: ?Water Filter Straw *1, 1.5 Gal Gravity-Fed Water Bag *1, 16 oz Water Pouch *1. Capacity: ?1400 Gallons. Material: ?BPA Free Food-Grade Material. Special Feature: ?Water Purifier Survival, Gravity Water Filter Straw. Color: ?Blue. Brand: ?Waterdrop.