Replacement membrane filter Katadyn BeFree Replacement Blue made from hollow fibres for flexible bottles and water bladders with a neck diameter of 42 mm. Filters bacteria, protozoa and sediment larger than 0.1 micron.

The filter cannot be used standalone. Bottle/bladder is not included in the packaging.

- filtration rate up to 2 l / min
- removes bacteria and protozoa
- easy to clean
- lifespan up to 1,000 litres
- compatibility with a range of flexible bottles and bladders from Hydrapak and other brands
- compact size and low weight

We offer a 30-day period for returning or exchanging goods if, for any reason, you are not satisfied with your order.

For more information, please see our Return Policy here.

Orders received by 14:00 are dispatched the same day. Delivery usually takes place on the next business day, depending on the selected shipping method. During busy periods, please allow 1–3 business days for order processing.

Free delivery from €200 / for oversized shipments from €400

Free of charge, ready for pickup on the next business day

For more information, please see our Delivery page.