---
title: "Katadyn BeFree Gravity 3 L"
name: "Katadyn BeFree Gravity 3 L"
brand: "Katadyn"
description: "Katadyn BeFree Gravity 3L is a gravity-based water filtration system designed to produce drinking water from unverified sources, such as streams or rivers."
handle: "katadyn-befree-gravity-3-l"
sku: "000000000000812"
ean: "0604375204713"
gtin: "0604375204713"
canonical_url: "https://gramino.com/p/katadyn-befree-gravity-3-l"
html_url: "/p/katadyn-befree-gravity-3-l"
md_url: "/p/katadyn-befree-gravity-3-l.md"
locale: "en"
market: "eu"
currency: "EUR"
price: 101
price_formatted: "€101"
availability: "InStock"
item_condition: "NewCondition"
category: "Water filters"
category_path: "/c/gear/water-filters"
breadcrumbs:
  - name: "Home"
    url: "/"
  - name: "Gear"
    url: "/c/gear"
  - name: "Water filters"
    url: "/c/gear/water-filters"
  - name: "Katadyn BeFree Gravity 3 L"
    url: "/p/katadyn-befree-gravity-3-l"
last_updated: "2026-10-13"
---

# Katadyn BeFree Gravity 3 L

Brand: Katadyn · Category: [Water filters](/c/gear/water-filters.md)
Maximum flow rate: 2 l/min · Lifespan: 1000 · Filter removes: Cysts, Bacteria, Sediment

## Offer

- Price: €101
- Availability: In stock
- Condition: New
- Buy on the website: [HTML product page](/p/katadyn-befree-gravity-3-l)

## Description

Katadyn BeFree Gravity 3L is a gravity-based water filtration system designed to produce drinking water from unverified sources, such as streams or rivers. It features a 3-liter water reservoir that you fill with water and hang, for example, on a tree. The filter has a flow rate of up to 2 l/min. It works on the principle of a hollow fiber membrane that captures anything larger than 0,1 microns (eliminating bacteria, protozoa, and sediments). It is an ideal choice for a group of hikers.

Thoughtful gravity filtration system for trekking and traveling.

## Specifications

The water filtration system can filter **up to 2 liters per minute**, depending on the turbidity of the water source. It purifies approximately 1000 liters of drinking water, depending on the level of contamination. **Suitable for a group of 2-5 people.**

The filter features an **EZ-Clean Membrane™**. It works on the principle of hollow fiber membranes, which trap anything larger than 0,1 microns (0,00001 mm). Cleaning the filter is simple – just remove it from the bottle and rinse it in clean water.

The filter increases the safety of water from natural sources. It meets EPA standards and **removes 99,9999% of bacteria and 99,9% of protozoa** (including Giardia, Cryptosporidium, etc.).

**The filter's stated lifespan is 1000 liters.** While this may seem low compared to competing filters, it is sufficient for several years of use in the field. To put it into perspective, try calculating how much water you actually filter during one hiking season.

## Parameters

- Weight: 192 g
- Flow rate: 2 liters/min
- Filter lifespan: 1000 l
- Filtration efficiency: removes bacteria, protozoa, and sediments larger than 0,1 microns
- Technology: mechanical pressure microfilter made of hollow fibers, 0,1 micron (0,0001 mm) EZ-Clean MembraneTM
- Filling port: 43 mm wide opening for easy filling
- Testing: Bachema AG, Switzerland, *Escherichia coli, Enterococcus, Pseudomonas aeruginosa*

### **Package includes**

- Filter cartridge (40 g)
- Soft collapsible bag for dirty water with a volume of 3 l (73 g)
- Hanging strap with carabiners (31 g)
- Hose for attaching to the filter cartridge for easier filling of water bottles (64 g)
- Stuff sack (27 g)

## Specs

- Color: Blue
- Maximum flow rate: 2 l/min
- Lifespan: 1000
- Filter removes: Cysts, Bacteria, Sediment
- Filtration type: Mechanical
- Bottle thread: 42 mm
- Filter material: Hollow fiber
- Volume: 3 l
- Weight: 192 g
- Woocommerce product id: 48359
- Brand: Katadyn

## Related

- [Jetboil Stash Stove Kit](/p/jetboil-stash-stove-kit.md)
- [Katadyn BeFree Replacement Cartridge](/p/katadyn-befree-replacement-filter-cartridge.md)
- [MSR PocketRocket Deluxe](/p/msr-pocketrocket-deluxe.md)
- [CNOC Hydriam 500 ml 42 mm](/p/cnoc-hydriam-500-ml-42-mm.md)
- [MSR Windburner Group Stove System](/p/msr-windburner-group-stove-system.md)
- [CNOC Hydriam 750 ml 42 mm](/p/cnoc-hydriam-750-ml-42-mm.md)
- [Fizan RFP Touring](/p/fizan-rfp-touring.md)
- [CNOC Vecto 3 L 42 mm](/p/cnoc-vecto-3-l-42-mm.md)

## Shipping and returns

- [Shipping and payment](/shipping-payment)
- [Returns](/return-order)

## Images

- ![Katadyn BeFree Gravity 3 L](https://media.gramino.com/medusa/b742799498378bd7915068d947aa18ec-01KWHVGDRYF4HKPWDGA1RE7N3F.jpg)
- ![Katadyn BeFree Gravity 3 L](https://media.gramino.com/medusa/9280ebbdf08f5fd5b0fdbb5535d872f0-01KWHVFZPAXJNTY37TN170SB9J.jpg)
- ![Katadyn BeFree Gravity 3 L](https://media.gramino.com/medusa/4209a9f4065f35c947f852fada305508-01KWHVGDWB2PQCC2C3PGWBZRXN.jpg)

## Identifiers

- SKU: 000000000000812
- EAN: 0604375204713
- Handle: katadyn-befree-gravity-3-l
- Brand: Katadyn

This product is also available as [HTML](/p/katadyn-befree-gravity-3-l).

Category: [Water filters](/c/gear/water-filters.md) · [Sitemap](/sitemap.md)

```json
{
  "@context": "https://schema.org",
  "@type": "Product",
  "name": "Katadyn BeFree Gravity 3 L",
  "description": "Katadyn BeFree Gravity 3L is a gravity-based water filtration system designed to produce drinking water from unverified sources, such as streams or rivers. It features a 3-liter water reservoir that you fill with water and hang, for example, on a tree. The filter has a flow rate of up to 2 l/min. It works on the principle of a hollow fiber membrane that captures anything larger than 0,1 microns (eliminating bacteria, protozoa, and sediments). It is an ideal choice for a group of hikers.",
  "image": [
    "https://media.gramino.com/medusa/b742799498378bd7915068d947aa18ec-01KWHVGDRYF4HKPWDGA1RE7N3F.jpg",
    "https://media.gramino.com/medusa/9280ebbdf08f5fd5b0fdbb5535d872f0-01KWHVFZPAXJNTY37TN170SB9J.jpg"
  ],
  "url": "https://gramino.com/p/katadyn-befree-gravity-3-l",
  "dateModified": "2026-10-13",
  "brand": {
    "@type": "Brand",
    "name": "Katadyn"
  },
  "sku": "000000000000812",
  "gtin": "0604375204713",
  "offers": {
    "@type": "Offer",
    "price": "101",
    "priceCurrency": "EUR",
    "availability": "https://schema.org/InStock",
    "itemCondition": "https://schema.org/NewCondition",
    "url": "https://gramino.com/p/katadyn-befree-gravity-3-l"
  }
}
```