---
product_id: 295402915
title: "Waterdrop Water Filter Straw with Gravity Water Bag, Portable Camping Filtration System, Drinking Water Purifier for Emergency Hiking Travel Backpacking"
brand: "waterdrop"
price: "฿8077"
currency: THB
in_stock: true
category: "Waterdrop"
url: https://www.desertcart.co.th/products/295402915-waterdrop-water-filter-straw-with-gravity-water-bag-portable-camping
store_origin: TH
region: Thailand
---

# 1,400 gallons lifespan 0.1μm ultrafiltration membrane 5-stage efficient filtration system Waterdrop Water Filter Straw with Gravity Water Bag, Portable Camping Filtration System, Drinking Water Purifier for Emergency Hiking Travel Backpacking

**Brand:** waterdrop
**Price:** ฿8077
**Availability:** ✅ In Stock

## Summary

> 💦 Stay ahead of the pack with clean water that flows as fast as your adventure!

## Quick Answers

- **What is this?** Waterdrop Water Filter Straw with Gravity Water Bag, Portable Camping Filtration System, Drinking Water Purifier for Emergency Hiking Travel Backpacking by waterdrop
- **How much does it cost?** ฿8077 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/295402915-waterdrop-water-filter-straw-with-gravity-water-bag-portable-camping)

## Best For

- waterdrop enthusiasts

## Why This Product

- Trusted waterdrop brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Flow Rate:** Up to 700 ml/min filtration speed means no more waiting around to quench your thirst on the trail.
- • **All-Day Outdoor Supply:** 1.5-gallon gravity-fed water bag holds the equivalent of 11 bottled waters—stay hydrated without constant refills.
- • **Versatile Compatibility:** Connects seamlessly with water bags or standard bottles (27.5mm thread) for ultimate convenience anytime, anywhere.
- • **Pure Hydration On-the-Go:** Advanced 0.1-micron ultrafiltration removes chlorine, sediment, and odors for crisp, clean water anywhere.
- • **Sustainable & Recyclable:** Innovative backwash function keeps your filter fresh and reusable, reducing waste and saving money.

## Overview

The Waterdrop Water Filter Straw with Gravity Water Bag is a premium portable filtration system designed for outdoor enthusiasts and emergency preparedness. Featuring a 5-stage filtration process with a 0.1-micron ultrafiltration membrane, it effectively removes harmful contaminants and improves taste. The 1.5-gallon gravity-fed bag supplies ample water capacity, while the filter’s 1,400-gallon lifespan and backwash capability ensure long-term, sustainable use. Lightweight and versatile, it connects to various containers, delivering safe drinking water quickly and reliably wherever your journey takes you.

## Description

How to backwash Backwashing is essential for keeping the Filterstraw in good condition and making it easy to use multiple times. After drinking, blow air through the mouthpiece frequently, or drain the Filterstraw by shaking out as much water as you can. After using, remove the mouthpiece and flush it with clean water. (A standard water bag can be used, or a pop bottle with a standard thread diameter of 27.5mm can be filled with clean water to backwash the Filterstraw.) Cap the filter tightly after it has dried. Note: Do not use chemicals to clean the Filterstraw because they will shorten the service life of the carbon fiber filter. Working principle There are many micro-fibrous tubes in the 0.1-micron hollow fiber filters. They can prevent protozoa from going through the outer walls of the tubes, while water can easily pass through them. The principle of micro-fibrous tubes is similar to that of medical dialysis technology. Therefore, water going through the Filterstraw will be clean and safe.

## Features

- 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
- 𝐋𝐨𝐧𝐠𝐞𝐫 𝐋𝐢𝐟𝐞𝐬𝐩𝐚𝐧: The Waterdrop Filter straw can provide safe drinking water up to 5,300 liters, and ensures the maximum water flow rate of up to 700 ml/min to provide more relaxed outdoor water drinking experience
- 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. If the water flow decreases or the filter has been used for a long time, you can remove the mouthpiece, flush it with clean water. (Standard water bag can be used or pop bottle with thread diameter of 27.5mm can be filled clean water for backwashing the filter straw)
- 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
- 𝐎𝐮𝐭𝐝𝐨𝐨𝐫 𝐖𝐚𝐭𝐞𝐫 𝐍𝐞𝐞𝐝𝐬: Fulfill all your outdoor water demands: hiking, camping, domestic and international travel, emergency preparedness (tornadoes, rainstorms, earthquakes, floods, etc.) to meet the emergency water demand in a variety of situations. Each straw only weights 0.19 pounds

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B086QNLBB4 |
| Best Sellers Rank | #2,300,334 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #4,437 in Water Coolers, Filters & Cartridges |
| Brand Name | Waterdrop |
| Capacity | 1400 Gallons |
| Container Type | Bag,Bags,Syringe |
| Country Of Origin | USA |
| Customer Reviews | 4.6 4.6 out of 5 stars (3,856) |
| Installation Type | Personal Container |
| Item Dimensions L x W x H | 17.2L x 8.6W x 27.7H Centimeters |
| Item Weight | 132 g |
| Manufacturer | Waterdrop |
| Manufacturer Part Number | WD-FSBUL-1 |
| Material Type | Carbon Fibre |
| Maximum Flow Rate | 700 Milliliters Per Minute |
| Model Name | WD-FSBUL-1 |
| Model Number | WD-FSBUL-1 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Other Special Features of the Product | Gravity |
| Power Source Type | Non electric |
| Purification Method | Activated Carbon |
| Supported Water TDS Level Maximum (PPM) | 300 |
| UPC | 840814172988 |
| Unit Count | 1.0 Count |
| Whats in the box? | Water Filter Straw with Gravity Bag |

## Product Details

- **Brand:** Waterdrop
- **Capacity:** 1400 Gallons
- **Material:** Carbon Fibre
- **Product Dimensions:** 17.2L x 8.6W x 27.7H Centimeters
- **Special Feature:** Gravity

## Images

![Waterdrop Water Filter Straw with Gravity Water Bag, Portable Camping Filtration System, Drinking Water Purifier for Emergency Hiking Travel Backpacking - Image 1](https://m.media-amazon.com/images/I/61yppBkP8iL.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: does it protect against Giardia lamblia? Thanks**
A: Yes

**Q: How much does this weigh?**
A: Hi Shawn,
Thank you so much for your interest in our product. The item's gross weight is 1.09 pounds.
If you have any other inquiries, please feel free to contact us at 1-888-352-3558 (8:00 AM - 5:00 PM PST, Mon - Fri). Thank you.

Kind Regards
Mia Lauren
Customer Service Rep

**Q: how long does this product last? 1 day? 1 month?**
A: I  used it for the first time this weekend. On a backpacking trip. I thought it was useful to have in addition to a filter pump to bring water back to Camp. It seemed well-made, how long it will last Would probably depend on how dirty the water is that you put through it ,if you clean it consistently and if you were careful not to abuse it. But I will get $20 worth of use out of it for sure.  I expect it to last me for multiple trips.

**Q: Does it come with the bag?**
A: Hi Mike,

Thank you for your interest in our Water Filter Straw. Yes, the item comes with two bags.  One is the blue gravity water bag which is used to fill with the raw water, another is white used to fill with the filtered water. They are connected via the straw to filter the water for drinking.
If you have any other questions, please feel free to give us a call between the hours of 8:00 AM-5: 00 PM (PST), Monday through Friday at 1-888-352-3558. We will try our best to help you out. Thank you very much.

Best Regards, 
Mia Lauren

## Frequently Bought Together

- Waterdrop Gravity Water Filter Straw, Camping Water Filtration System, Water Purifier Survival for Travel, Backpacking and Emergency Preparedness, 1.5 gal Bag, 0.1 Micron, 5 Stage Filtration, Blue
- Aquatabs 397mg Water Purification Tablets (100 Pack). Water Filtration System for, Camping, Boating, Emergencies, Survival, RVs, and Marine-Use. Easy to Use Treatment and Disinfection.
- LifeStraw Personal Water Purifier for Hiking, Camping, Travel, and Emergency Preparedness

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**Shop now:** [https://www.desertcart.co.th/products/295402915-waterdrop-water-filter-straw-with-gravity-water-bag-portable-camping](https://www.desertcart.co.th/products/295402915-waterdrop-water-filter-straw-with-gravity-water-bag-portable-camping)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-10-09*