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Rothco 3.0 Liter Replacement Bladder – 100oz Hydration Reservoir with Bite Valve

by Rothco
SKU 2810
Original price $33.99 - Original price $33.99
Original price $33.99
$33.99
$33.99 - $33.99
Current price $33.99
Availability:
in stock, ready to be shipped

Revive Your Hydration Pack A hydration carrier is only as good as the reservoir inside it. Whether your old bladder has developed a leak, holds a funky taste, or simply needs an upgrade, the Rothco 3.0 Liter Replacement Bladder is the reliable solution to keep you moving. Designed to fit perfectly into Rothco’s 3-liter tactical packs, this heavy-duty reservoir is also compatible with a wide range of surplus and commercial hydration backpacks.

Constructed from durable Polyurethane, this bladder is built to withstand the pressure and abuse of tactical operations and long-distance hiking. It comes ready to use with a 41.5-Inch Drinking Tube wrapped in a Neoprene Sleeve, which helps insulate your water from extreme heat or cold. The mouthpiece features a convenient On/Off Bite Valve switch to prevent accidental drips and a Dust Cover to keep dirt and grit out of your water supply.

Key Features

  • 3-Liter Capacity: Holds approximately 100 ounces of water, providing ample hydration for day-long missions or treks.
  • Insulated Hose: The 41.5" flexible tube is covered in a soft neoprene sleeve to protect against UV rays and temperature changes.
  • Leak-Proof Valve: Features a bite valve with a manual On/Off Switch to stop water flow completely during transport.
  • Hygiene Cover: Includes a tethered cap that snaps over the bite valve, keeping it clean from mud, dust, and debris.
  • Universal Fit: Sized to fit Rothco 3L Backstrap and MOLLE systems, as well as most standard large hydration carriers.
  • Durable Build: Made from tough Polyurethane that resists punctures and bursting under load.

Why It Matters Hygiene and reliability are paramount. Over time, old bladders degrade or grow mold that is hard to remove. Swapping in a fresh Rothco bladder is a cost-effective way to restore your expensive tactical carrier to "like-new" functionality.

Technical Overview Capacity: 3 Liters (100 oz). Material: Polyurethane. Hose: Neoprene Covered. Dimensions: 18.5" x 6.75".

  • Replacement: Swap out old, leaking, or moldy reservoirs.
  • Spare Gear: Keep a backup bladder in your kit for emergencies.
  • Upgrades: Add an insulated hose system to a basic pack.
  • Tactical Use: Matte black hose cover eliminates shine.
  • Hiking/Camping: High capacity for long trails without water sources.
  • Volume: 3.0 Liters / 100 oz
  • Dimensions (Empty): 18.5" Long x 6.75" Wide
  • Tube Length: 41.5 Inches
  • Material: Polyurethane Body, Neoprene Hose Cover
  • Valve Type: Bite Valve with On/Off Switch
📖 Official Resource
Step-by-Step Field Manual
Learn how to properly deploy and stage this equipment in a crisis.

Frequently Asked Questions

Will the Rothco 3.0 Liter Replacement Bladder fit my existing hydration pack carrier?

This bladder is specifically engineered to integrate seamlessly with Rothco's 3-liter hydration packs, making it a perfect drop-in replacement. The 41.5-inch hose provides ample length to route through most tactical backpack shoulder straps. If you're using a different brand's carrier, verify that it accommodates a 3-liter reservoir and has compatible hose routing—most military-spec packs follow similar dimensions, but Rothco compatibility is guaranteed.

How does the 41.5-inch hose length compare to standard hydration bladders?

At 41.5 inches, this hose is longer than many commercial hydration systems (which typically range from 36-40 inches). The extra length is ideal for larger tactical packs, allowing you to route the tube through shoulder straps or sternum areas without tension. This makes it especially useful for law enforcement patrol packs, wildland firefighting gear, or extended hiking setups where the bladder sits deep in the pack.

Can I use the Rothco 2810 bladder for hot liquids or electrolyte mixes?

While the bladder is constructed from durable, food-grade materials suitable for water, we recommend using it exclusively for cold or room-temperature water. Hot liquids can degrade the bladder material over time and compromise the bite valve seal. For electrolyte mixes or sports drinks, rinse thoroughly after each use to prevent residue buildup and maintain the bite valve's leak-free performance.

What makes the bite valve on this bladder different from cheaper replacements?

Rothco's bite valve features a protective cap that prevents contamination and accidental leaks during transport—critical for tactical and emergency response applications. The valve is designed for quick, hands-free hydration without requiring you to remove your pack, and the cap snaps securely to keep dirt, debris, and bacteria out. This is a significant upgrade over basic bite valves that lack protective covers.

Is the Rothco 3L bladder suitable for freezing temperatures or winter operations?

The bladder itself is built from rugged materials that can handle cold environments, but like all hydration systems, the water inside and the hose are susceptible to freezing in sub-zero conditions. For winter fieldwork or cold-weather patrols, consider insulating the hose with foam sleeves and storing the bladder close to your body heat inside the pack. The 3-liter capacity also means you can fill it partially to reduce freeze risk while maintaining adequate hydration.

Veteran Owned & Operated

Retired Army First Sergeant