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💧 Filter fast, hike light, stay unstoppable.
The Platypus QuickDraw Ultralight 1L Water Filter System is a compact, ultralight (3.3 oz) backpacking essential that delivers a rapid 3 L/min flow rate. Featuring a hollow fiber membrane tested to NSF & EPA P231 standards, it removes 99.9999% of bacteria and 99.9% of protozoa. Its universal ConnectCap fits any 28mm bottle, while easy shake-to-clean maintenance keeps it ready for any adventure. Made in the USA and backed by a limited lifetime warranty, it’s the trusted choice for millennial outdoor pros who demand speed, reliability, and sleek portability.









| ASIN | B0CL8L5RPQ |
| Best Sellers Rank | #11,584 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #17 in Camping & Hiking Water Filters |
| Brand | Platypus |
| Brand Name | Platypus |
| Capacity | 1 Liters |
| Container Type | Bottle |
| Customer Reviews | 4.6 out of 5 stars 122 Reviews |
| Global Trade Identification Number | 00040818139035 |
| Included Components | 1L Reservoir, Dirty Side Caps, DrinkCap, ConnectCap, Backflush Gasket |
| Installation Type | Freestanding |
| Item Dimensions L x W x H | 5"L x 3"W x 3"H |
| Item Type Name | Ultralight 1 Liter Backpacking Water Filter System |
| Item Weight | 0.21 Pounds |
| Manufacturer | Cascade Designs Inc. |
| Material | Plastic |
| Material Type | Plastic |
| Maximum Flow Rate | 3 Liters Per Minute |
| Model Name | 1L Quickdraw Blue |
| Model Number | 13903 |
| Other Special Features of the Product | Lightweight, Portable |
| Part Number | 25054 |
| Power Source | Adapter |
| Product Dimensions | 5"L x 3"W x 3"H |
| Purification Method | Hollow Fiber Membrane |
| Smart Home Compatibility | Not Smart Home Compatible |
| Special Feature | Lightweight, Portable |
| Supported Water TDS Level Maximum (PPM) | 500 |
| UPC | 040818139035 |
| Warranty Description | Limited Lifetime Warranty |
K**E
🤩 Solid performance, decent taste, and clever design—just tighten it all the way
The Platypus QuickDraw is one of the best overall water filters I’ve tested. I’m using it daily to filter all of my drinking water (even tap) for medical reasons, so it’s getting constant use alongside the Katadyn BeFree, LifeStraw stainless, Solo Peak, and Sawyer Squeeze. Taste-wise, this is much better than the Katadyn BeFree. Like all 0.1–0.2 micron filters, it has a slight chemical taste when the filter is dry—but it clears quickly. After running maybe 10–15 liters through it early on, the worst of it faded. Now I just run half a bag of water through after it’s been sitting dry, and the taste improves immediately. No strong plastic flavor like Katadyn. Flow rate is solid, slower than Katadyn by about 30–50%, but noticeably better than LifeStraw stainless or Sawyer Squeeze. For me, it's totally acceptable for daily use. Design is excellent: – Comes with a universal bottle adapter – Flip top on the clean end is very secure – Dirty end has a protective cap – Compact and easy to stash in a bag or travel pouch Some people report leaking—I think that’s due to under-tightening. The threads take more turns than you’d expect to seal. You think it’s tight, but you can usually get another half turn in. Once sealed properly, mine hasn’t leaked. What really stands out is the durability. Compared to the Katadyn—which looks like a beefed-up SmartWater bottle—the Platypus just feels rugged. It has a military-grade vibe, especially the quickdraw reservoir. I don’t know how it’ll hold up long-term, but so far, so good. That said, a reminder for all these filters: the internal membranes are delicate. – They can’t freeze (or be exposed to temps even close to freezing) – They shouldn’t be dropped – You need to integrity test them regularly I keep mine indoors, test them about once a week, and try to prevent drops... though the cats occasionally push them off the counter. So far, none have failed. To test integrity: try pushing air through the filter. You shouldn’t be able to—only water should pass. If you can blow air through, the membrane is compromised. Final thoughts: If Katadyn fixed their taste issue, that’d be my #1 for sheer ease and speed. But until then, Platypus wins on flavor, build quality, and versatility. I could easily see using this filter at home, while traveling, or outdoors—and trusting it every time.
D**G
Easy, light, well designed
Fantastic filter system. No tedious pumping, super light, and packs down small. 10/10 would recommend
U**H
Easy and quick and packs small
Used on a quick overnight on Blood Mountain, Georgia. Easy to use even when the stream was running slow. Quickly filled 2 of our 1 liter bottles. Stores small in the pack. Must have for backpacking or camping or in your emergency stash.
R**D
Flow filter is good.
Very easy to use and the filter flow is good.
K**H
Purify all day long!
Best filter I’ve used so far! First off the speed of water is crazy! You can let it drain out a good bit or if you squeeze you get a lot more flow rate! I filled 1L in like 30 sec or so. The weight is perfect for backpacking and it fairly lightweight. Durability seems very good the plastic body is very robust not flimsy. For the money def gonna recommend it!
K**E
Fast and efficient
A great water filter for the backcountry. Fills very fast and requires very little effort to fill a water bottle.
G**R
Easy to use.
I was impressed with how easy this filter is to use and how fast the flow rate is. I could run a whole liter through in maybe less than a minute. It folds up small for easy packing. The bladder seems durable. Overall great value for what you get.
J**R
You need to buy this
The best water filter ever made
J**N
Quick!
The fastest filter on track - everyone using a Sawyer Squeeze is asking what this is and how it’s so fast.
T**Y
Great water filter
The water bag is pretty durable and the filter works great and surprisingly fast. For the price, this filter is hard to beat
V**X
A MUST BUY WATER FILTER
Exquisit product, even its package and its directions of use are premium!! lightweight and yet robust, it is a guarantee for drinking clear water in the backcountry
B**T
Efficace
Essais concluants
R**Y
Best filter system available
Best combination filter I’ve used, compatible with platypus water bags as well as “disposable” bottles like the usual Pure water or similar. Nice and fast flow and good capacity
Trustpilot
2 days ago
2 weeks ago