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Hydrapak GF427 Mammoth Gray Flux Bottle 25.5 fl oz (750 ml)

Hydrapak GF427 Mammoth Gray Flux Bottle 25.5 fl oz (750 ml)

Q: Video mentioned a 28mm filter adapter accessory (for sawyer) using the plug n play cap. Where can I buy the adapter accessory??

I just did some Googling, and the he Plug-N-Play mentioned in the video can be found on the Hydrapak website for about $10. I don't see it on Amazon at this time.

Q: How are the new versions of the 1L Flux different from the old versions?

This newer version has a hard top as well as an updated lid.

Q: Can the katadyn filter fit into this bottle while the bottle is collapsed?

Hello! The Katadyn filter can fit into the bottle while it is collapsed however if you are going to roll it up and store it in the bail handle then the filter would need to be stored separately.

Q: Is this bps free? no info provided on this

Our products are BPS/BPA free. The material makeup of the Flux is as follows: TPU, HDPE, PP

Product ID: 759300284

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Details

Brand
HydraPak
Material
Wood
Bottle Type
Collapsible
Color
gray
Capacity
750

💧750 ml capacity for all-day hydration

🔄Foldable design for compact portability

🪶Ultra-lightweight at just 92 g

Description

💼 Stay hydrated, stay sharp — the bottle that works as hard as you do.

CLEAN CONVENIENT - Rotating dust cover keeps the spout hygienic without touching the mouthpiece.
SLEEK DURABLE STYLE - Mammoth Gray finish blends rugged durability with modern minimalism.
CARRY WITH CONFIDENCE - Ergonomic larger bail handle for easy grip and quick access on the go.
STAND TALL STAY READY - Stable base design means it stands upright on any surface—no spills, no fuss.
HYDRATE WITHOUT THE BULK - Flexible TPU material lets the bottle fold flat when empty, saving space in your bag.

The Hydrapak GF427 Mammoth Gray Flux Bottle is a 750 ml flexible hydration solution crafted from durable TPU and POM materials. Weighing only 92 grams, it features a foldable design for compact storage, a hygienic rotating dust cover, and a stable base that stands upright. Perfect for professionals and adventurers alike, it combines lightweight convenience with rugged style.

Have a Question? See What Others Asked

Video mentioned a 28mm filter adapter accessory (for sawyer) using the plug n play cap. Where can I buy the adapter accessory??

How are the new versions of the 1L Flux different from the old versions?

Can the katadyn filter fit into this bottle while the bottle is collapsed?

Is this bps free? no info provided on this

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

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VT20548

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

View all Trustpilot reviews

Model Number	GF427M
Color	gray
Size	750 ml
Material	Wood Thermoplastic Polyurethane
Batteries Included	No
Product Dimensions	12.07 x 12.07 x 20.07 cm; 92 g

Hydrapak GF427 Mammoth Gray Flux Bottle 25.5 fl oz (750 ml)

Details

Description

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