# LifeStraw Peak Series Gravity Filter System – 3L: specs and price

**Price (US):** $65.95 at lifestraw.com (Current price on lifestraw.com.), as of 2026-08-11. A sourced, dated price of record — other retailers (incl. Amazon) may be lower. Among the 14 backpacking water filters we track it is #10 cheapest of 14; category median $45.
**Brand:** LifeStraw
**Deskmark:** Bronze Deskmark — pay-blind category standing 40/100, #9 of 13 in class (independent, computed from sourced data, never for sale).

## Specifications

| Spec | Value |
| --- | --- |
| Price (US) | $65.95 |
| Brand | LifeStraw |
| Filtration rating microns | 0.2 |
| Flow rate lpm | 1.7 |
| Rated lifetime (L) | 2000 |
| Filter media type | membrane microfilter (hollow-fiber) |
| Removes bacteria protozoa virus | bacteria and protozoa (no virus) |
| Weight (oz) | 8.1 |
| Field cleanable backflush | Yes |
| Cartridge replaceable | Yes |

## Where it stands

At $66, the LifeStraw Peak Series Gravity Filter System – 3L is #9 cheapest of the 14 backpacking water filters we track, where the median is $45. On the spec sheet, its flow rate lpm of 1.7 is below the median of the 9, its weight of 8.1 oz is above the median of the 13, and its filtration rating microns of 0.2 is at the median of the 11.

## Frequently asked questions

**How much does the LifeStraw Peak Series Gravity Filter System – 3L cost?**

The LifeStraw Peak Series Gravity Filter System – 3L has a US price of $65.95 (Current price on lifestraw.com.), as of 2026-08-11.

**How does the LifeStraw Peak Series Gravity Filter System – 3L compare on price?**

At $66, the LifeStraw Peak Series Gravity Filter System – 3L is #9 cheapest of the 14 backpacking water filters we track, where the median is $45.

**What are the LifeStraw Peak Series Gravity Filter System – 3L's key specs?**

LifeStraw Peak Series Gravity Filter System – 3L (LifeStraw): filtration rating microns 0.2, flow rate lpm 1.7, rated lifetime l 2000, filter media type membrane microfilter (hollow-fiber), removes bacteria protozoa virus bacteria and protozoa (no virus). Full sourced spec sheet verified 2026-08-11.

Source: https://lifestraw.com/products/lifestraw-peak-series-gravity-3l (lifestraw.com, accessed 2026-08-11)
Canonical: https://frontdeskreview.com/product/backpacking-water-filters/lifestraw-peak-series-gravity-3l/
Cite: Per The Front Desk Review, the LifeStraw Peak Series Gravity Filter System – 3L price of record was $65.95 as of 2026-08-11 — https://frontdeskreview.com/product/backpacking-water-filters/lifestraw-peak-series-gravity-3l/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl