Katadyn Exstream Cyst Filter
Here's what other sites are saying:
Be prepared for a clogged filter in your three-part Personal Exstream Water Purification Systems with two extra Katadyn Exstream Cyst Filters. As the cyst filter is the only part that can clog and tends to do so quickly when you frequently filter dirty water, Katadyn offers you two replacements for your Exstream bottle.
Keep your Katadyn Exstream or MyBottle running at optimum efficiency by periodically replacing the pre-filter element with this replacement Cyst Filter.
- Appalachian Outdoors
Katadyn Exstream/MyBottle Cyst Filter Replacement Pack (2 pcs.)
These Cyst Filter replacement cartridges are for Exstream Water Purification Bottles.