Sawyer SP128 Mini Water Filtration System
- Item Weight: 0.09 pounds
- Purification Method: Hollow Fiber Membrane
- Maximum Flow Rate: 100000 gpm
- Container Type: Pouch
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A lighter, single-unit version of Sawyer's inline filter, worth it when pack weight matters more than the extra pouches and adapter in the Squeeze kit.
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ASIN: B00FA2RLX2Category: Camping Water Filters
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Overview
The Sawyer SP128 Mini is a single, compact water filtration unit built around the same 0.1 micron inline filter as Sawyer's larger Squeeze system, packaged with a 16 ounce pouch, a short drinking straw, and a cleaning plunger for trail, travel, or emergency use.
The Mini shares its filter core with the SP129 Squeeze but ships with a smaller 16 oz pouch and a 7 inch straw instead of the larger two-pouch kit, which keeps it lighter for anyone counting ounces. Sawyer rates the filter for up to 100,000 gallons, which for personal use puts replacement well past any single trip.
- 0.1 micron absolute filtration
- 100,000 gallon rated lifetime
- 16 oz pouch and 7 inch straw included
- Cleaning plunger included
Who it's for
Suits solo hikers, backpackers, and travelers who put pack weight first, plus anyone building a compact emergency kit. Groups filtering larger volumes, or anyone wanting a gravity setup, would get more use from the SP129 Squeeze kit instead.
Pros and cons
- 0.1 micron absolute filter removes bacteria and protozoa
- Rated for up to 100,000 gallons
- Weighs about 2 ounces
- Includes cleaning plunger to restore flow
- Smaller 16 oz pouch than the Squeeze system's two 32 oz pouches
- No hydration pack adapter included
Performance notes
The same 0.1 micron absolute filter used in the Squeeze line does the work here, removing bacteria and protozoa and blocking microplastics by pore size rather than a chemical or charged-media process. The included plunger lets you backwash the filter with clean water to restore flow rate as it loads with sediment over its 100,000 gallon rated life.
Specifications
| Brand | Sawyer |
|---|---|
| Dimensions & fit | |
| Item Weight | 0.09 pounds |
| Item Dimensions L x W x H | 4 × 3 × 8 inches |
| Capacity & performance | |
| Maximum Flow Rate | 100000 gpm |
| Upper Temperature Rating | 100 °F |
| Power & efficiency | |
| Power Source | Manual |
| Construction & materials | |
| Material Type | Blend |
| Compatibility & installation | |
| Installation Type | Countertop |
| Included components | |
| Number of Packs | 1 |
| Unit Count | 1 |
| Warranty & support | |
| Supported Water TDS Level Maximum PPM | 1000 |
| Other details | |
| Purification Method | Hollow Fiber Membrane |
| Container Type | Pouch |
| Number of Items | 1 |
| Part Number | SP128 |
| Item Type Name | Water Filter |
Frequently asked questions
How long does the Sawyer Mini filter last?
Sawyer rates it for up to 100,000 gallons before replacement.
What is included with the SP128 Mini?
One Mini filter, a 16 ounce squeeze pouch, a 7 inch drinking straw, and a cleaning plunger.
Can the Mini attach to a standard water bottle?
Yes, it attaches to standard 28 mm disposable bottles as well as the included pouch or hydration packs.