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The original Platypus water reservoir that became a backcountry classic, the Hoser is an ultralight, minimalist hydration system that delivers taste-free hydration with a versatile, durable design that makes it great for backpacking, thru-hiking, and day hikes. Updates include a new self-sealing HyFLO bite valve that delivers a 30% increase in flow rate, making it quicker and easier to hydrate on the go.
Specifications for Platypus Hoser Reservoir:
Manufacturer:
Platypus
Age Group:
Adults
Color:
Clear/Blue
Fabric/Material:
Polyethylene
Hydration Cap Type:
Big Bite Valve
Hydration Compatible:
Yes
Application:
Reservoir
Features of Platypus Hoser Reservoir
Drink on the go: New simple, one-piece, self-sealing HyFLO bite valve makes it quicker and easier than ever to hydrate hands-free with a 30% increased flow rate.
Easily transportable: Integrated hang/carry loop makes it easy to secure the reservoir in a backpack or elsewhere.
Pure Platy experience: All materials are certified taste-free, BPA-free, BPS-free, and phthalate-free.
Funk-free: Embedded silver-ion protects reservoir from mold and bacteria.
Versatile: Threaded port and 1/4in diameter drink tube make it easily compatible with accessory caps and adaptors.
Package Contents:
Platypus Hoser Reservoir
Customer Reviews for Platypus Hoser Reservoir
Read All (9)
by
Josyf,
Verified Owner
from NY, United States
Updated on June 15, 2025
This bladder is great. there's no bad taste.The connection is secure and the water doesn't spill.
The bite valve works well
Its a little tricky putting the connector back after you refill it.
All in all it was a good buy.
by
Lisa,
Verified Owner
from OR, United States
Updated on June 15, 2025
It’s perfect for my needs.I like this because it holds more more water than the 2 liter similar water pouch and great for long hot hikes. It also fits nicely in my day and backpacking pack and is lightweight. Happy hiking.
by
JRod,
Verified Owner
from VA, United States
Updated on February 23, 2019
This is my third Platypus bladder. I have had Camelbak ones in the past but have always found them incredibly difficult to clean as the fill section is placed on the front on many leaving little crevices. These are just easier to clean and are lighter at the same time.
Overall, this is a great product. My only two comments are that it's a little hard to get the water flowing at first, and isn't ideal for cleaning. You can't really get into the body of the bag to wash it out, so I'm just hoping air-drying with the cap unscrewed will do the trick. Other than that, great product!
Tried the Osprey designed Hydraform Reservoir in 2012 (see my review) but nothing beats the basic function, easy of use and durability of the Hoser reservoirs I have used over 5 years. Note: adaptable to the new Sawyer Squeeze Filter with a "tornado adapter".
One of the best attributes of the Playpus material is that it can withstand anything from frozen to boiling water. It has always been BPA free and, on top of that, there is zero taste (including the tube). These are one of the only taste-free solutions for hydration reservoir and bottles currently on the market. They are definitely the lightest and...
Read More
Answered by
Backpacker D,
Gear Expert,
June 25, 2012
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