Aquamira Backcountry Plus Series IV Replacement Filter – Field Water Purification

The Aquamira Backcountry Plus Series IV Replacement Filter delivers proven microbiological filtration for backcountry water sources. Designed for the Backcountry Plus filtration system, this replaceable cartridge maintains reliable protection against bacteria, protozoa, and particulates when treating water from streams, lakes, and questionable sources in the field.

The filter cartridge uses a depth filtration media that captures contaminants while maintaining flow rate through extended use. Each replacement filter is designed for straightforward field installation without tools, letting you swap cartridges quickly when capacity is reached or filter performance declines. Compact and lightweight for pack carry as a spare.

• Type: Replacement water filter cartridge
• Use Case: Backcountry water purification, emergency preparedness
• Compatibility: Aquamira Backcountry Plus Series IV systems
• Filtration: Removes bacteria, protozoa, and particulates
• Installation: Tool-free field replacement
• Dimensions: Compact for pack storage