Verdict
Head-to-head · Best Backpacking Water Filters

Platypus GravityWorks 4L vs Platypus QuickDraw Microfilter

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

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The short answer

Platypus QuickDraw Microfilter comes out ahead by a clear margin (4.3 vs 4.0). Platypus QuickDraw Microfilter is best for: Backpackers who are tough on gear and want the fastest-flowing, most durable squeeze filter and don't mind replacing the cartridge sooner. Read the strengths below before deciding.

Platypus GravityWorks 4L
Ranked #5 in Best Backpacking Water Filters
Platypus GravityWorks 4L
2 sources$134.95as of Nov 6

The Platypus GravityWorks 4L is the group and base-camp filter. CleverHiker and OutdoorGearLab both score it 75 and call hands-free gravity filtration tough to beat for pairs and groups: hang the dirty bag, walk away, come back to clean water. It moves large volumes quickly and lasts longer than the personal squeeze filters. Heavy, bulky, and pricey, it is the wrong tool solo and unbeatable when you are filtering for several people.

Strengths
  • — Hands-free gravity filtration: hang the dirty bag and walk away while it fills the clean one
  • — Filters large volumes fast, ideal for groups, couples, and base camps
  • — Comes with both dirty and clean reservoirs plus the hose and hollow-fiber filter
Watch-outs
  • — Heaviest system here at 11.5 oz, overkill for solo ultralight trips
  • — Bulky 4-liter bags take up more pack space than a personal filter
Platypus QuickDraw Microfilter
Higher ratedRanked #2 in Best Backpacking Water Filters
Platypus QuickDraw Microfilter
3 sources$55as of Oct 10

No filter has won over more testers in recent seasons than the Platypus QuickDraw. GearJunkie named it Best Overall after years of use, and CleverHiker praised it as more durable with a faster flow than other squeeze filters. It is light, tough, and easy to clean in the field. The catch is a 1,000-liter filter life dwarfed by the Sawyer Squeeze, so it trades longevity for speed and durability.

Strengths
  • — GearJunkie's Best Overall pick after several seasons of hard use
  • — Leak-preventing cap design keeps packs dry
  • — Light 3.6 oz filter that threads onto the included and most standard reservoirs
Watch-outs
  • — Short 1,000-liter filter lifespan, a tiny fraction of the Sawyer Squeeze
  • — Real-world flow fell short of the advertised 3 L/min in OutdoorGearLab testing

How they stack up

Platypus GravityWorks 4L

The only hands-free group system here, filtering far more volume at once than the personal Sawyer Squeeze, Katadyn BeFree, or Platypus QuickDraw, but it is the heaviest and priciest; its 1,500-liter filter outlasts the BeFree and QuickDraw while falling short of the Sawyer.

Platypus QuickDraw Microfilter

Flows faster and has a tougher cartridge than the Sawyer Squeeze and Katadyn BeFree, but its 1,000-liter life matches the BeFree and is far shorter than the Sawyer's; it is a personal squeeze filter rather than a group system like the Platypus GravityWorks 4L.

Specs side-by-side

SpecPlatypus GravityWorks 4LPlatypus QuickDraw Microfilter
TypeGravity hollow-fiberHollow-fiber squeeze
Filtration0.2 micron0.2 micron
Weight11.5 oz3.6 oz
Capacity4 L reservoirs—
Filter Lifespan1,500 L / 396 gal1,000 L
RemovesBacteria, protozoa, sedimentBacteria, protozoa, microplastics
OperationHands-free gravity feed—
Freeze SafeNoNo
Dimensions9.5"L x 3.25"W5"L x 3"W x 3"H
MaterialPolyethylenePlastic
Flow Rate—~44 sec per liter (tested)
Cleaning—Shake-and-squeeze backflush
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