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guzzle h2o|SKU:513-0000

Guzzle H2O Stealth Flex Twist: 12V UV-C Water Purification System

Off-Grid Proven Water Purification Right at Your Galley Sink

99.99% Pathogen Kill Rate — UV-C LED inactivates bacteria, protozoa, and viruses
0.5 Micron Carbon Filtration — Reduces chlorine, VOCs, lead, and mercury
Draws Only 0.9 Amps — Instant ON/OFF conserves your battery bank
Discreet Galley Install — Fits cold water line, no dedicated faucet needed
Single Filter Replacement — 1000 gallon capacity per cartridge, UV bulb-free

$605.95

Out of stock

In the box

  • Stealth Flex Twist Unit
  • Installation kit with 3/8" and 1/2" barbed fittings
  • 3/8" Push to Connect I/O fittings
  • 15' 12v power cable
  • 24" PEX tubing
  • Hardware and shut off cap for winterization
Guzzle H2O Stealth Flex Twist Built-In Water Filtration & Purification System
Guzzle H2O Stealth Flex Twist: 12V UV-C Water Purification System
$605.95

Off-Grid Proven Water Purification Right at Your Galley Sink

The Guzzle H2O Stealth Flex Twist delivers off-grid proven water purification where you need it most—at your galley sink. This vetted system combines 0.5 micron activated carbon block filtration with NSF 55-listed LED UV-C purification to inactivate 99.99% of bacteria, protozoa, and viruses. Built with solid state electronics and sturdy construction for mobile and off-grid environments, it's a smart investment in self-reliant living. The single-cartridge design keeps maintenance simple—1000 gallons or 6 months per filter—while the maintenance-free UV unit draws just 0.9 amps on 12v DC power. Ships free with financing available.

FREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORT
99.99% Pathogen Kill Rate
12v DC Low Power Draw
NSF 55 & NSF 41 Listed
Single Filter Maintenance
2.2 gallons (8L)
Recommended Flow Rate
0.9 amp
Power Draw When Active
1000 gallons
Filter Cartridge Capacity
NSF Certified Purification That Outlasts Disposable Filters

NSF Certified Purification That Outlasts Disposable Filters

Most off-grid water systems rely on fragile UV bulbs that burn out and leave you guessing when your water is actually safe. The Stealth Flex Twist eliminates that gamble with solid state LED UV-C technology rated maintenance-free—no bulbs to replace, ever. This vetted system carries NSF 55 listing, meaning its pathogen inactivation claims are third-party verified according to US EPA testing standards, not marketing copy. Combined with FDA approved materials throughout, this is a curated unit built for years of reliable service in mobile and off-grid installations where failure isn't an option.

Clean Drinking Water Straight From Your Galley Sink

Clean Drinking Water Straight From Your Galley Sink

The 0.5 micron activated carbon block filter handles the contaminants that matter most in real-world off-grid water sources. It reduces sediment, chlorine taste and odor, VOCs, NSF 41 emerging contaminants, lead, and mercury from every gallon passing through. At a recommended flow rate up to 2.2 gallons per minute with only a 3-5 psi pressure drop, you fill bottles and cook without waiting. Each cartridge delivers up to 1000 gallons or 6 months of filtration before replacement—simple maintenance with a single filter to swap instead of multi-stage complexity.

Battery-Friendly 12V Power For True Off-Grid Independence

Battery-Friendly 12V Power For True Off-Grid Independence

Drawing just 0.9 amps when active, the Stealth Flex Twist respects your battery reserves during extended off-grid stays. The instant ON/OFF UV technology means it only consumes power while water is flowing—no standby drain silently depleting your bank overnight. Running on 12V DC, this system integrates directly with your existing RV, cabin, or trailer electrical without inverters or modifications. The included 15-foot power cable gives you mounting flexibility, and the winterization shut-off cap protects the unit during cold storage. This is off-grid proven water purification engineered for the power constraints that matter.

Compatibility Check

Make sure the Stealth Flex Twist fits your installation before you order.

  • 12v DC power source available within 15' of installation point
  • Cold water line with minimum 3-5 psi operating pressure
  • Mounting space measuring at least 15.75" H x 6.23" W x 3.9" D

Built For

Engineered for mobile and off-grid installations where safe drinking water is non-negotiable.

RV & Van Builds
Off-Grid Cabins
Emergency Preparedness
Marine Galley Installations

Full specifications

At a glance

Dimensions
15.75" H x 3.9" D x 6.23" W
Power
12v DC Power
Surface
All components NSF listed or FDA approved materials
Warranty
2 year warranty
Full specifications12 data points across 4 categories

Dimensions

Dimensions15.75" H x 3.9" D x 6.23" W

Power & Performance

Power12v DC Power
Flow RateRecommended flow rate up to 2.2 gallons (8L)
Pressure DropMinimal 3-5 psi
Power Draw0.9 amp when active
Filter CapacityUp to 1000 gallons or 6 months per cartridge

Materials

Filtration Media0.5 micron Activated Carbon Block
ConstructionSturdy construction, solid state electronics

Compliance & Warranty

UV PurificationNSF 55 listed
Filtration StandardNSF 41 emerging contaminants
MaterialsAll components NSF listed or FDA approved materials
Warranty2 year warranty

The Off Grid Vault Promise

Every product we carry is held to the same standard—because your independence depends on it.

Free ShippingEvery order ships free, no minimums, no fine print.
30-Day Hassle-Free ReturnsIf it doesn't fit your build, send it back within 30 days.
Vetted for Real-World UseWe only stock products with proven off-grid performance and honest specs.
★★★★★
“Installed this in our cabin galley last spring. The well water had a chlorine taste that drove my wife crazy, and we never fully trusted it for drinking. After putting in the Stealth Flex Twist, the difference was immediate—clean, tasteless water right from the tap. I was skeptical about UV actually working, but the NSF certification sold me. Six months in, still running strong on our small solar bank. Only 0.9 amps is barely noticeable.”
F
First L.Prescott, AZ

 

Stealth Specifications:

  • POINT OF USE SYSTEM: Discreet install at galley sink on cold water line of faucet, dedicated faucet optional
  • HIGH FLOW: Recommended flow rate up to 2.2 gallons (8L)***, minimal 3-5 psi pressure drop
  • PROVEN TECHNOLOGY: LED UV-C purification unit 3rd party tested to inactivate 99.99% of bacterial, protozoa, and viruses*and is NSF 55 listed
  • EFFECTIVE FILTRATION: 0.5 micron Activated Carbon Block filtration is highly effective at reducing sediment, chlorine taste and odor, VOCs, NSF 41 emerging contaminants, lead, mercury, and other chemical contaminants**
  • LOW POWER CONSUMPTION: Efficient LED with Instant ON / OFF UV technology conserves power, 0.9 amp when active
  • MAINTENANCE COSTS: Single filter to replace – carbon block filter capacity up to 1000 gallons or 6 months per cartridge. UV is maintenance free – no bulbs to replace
  • RUGGED TECHNOLOGY FOR MOBILE AND OFF-GRID USE: Sturdy construction, solid state electronics
  • APPROVED: All components NSF listed or FDA approved materials
  • WARRANTY: 2 year warranty
  • 12v DC Power


DIMENSIONS: 15.75″ H x 3.9″ D x 6.23″ W

IN THE BOX: Stealth Flex Twist Unit and Installation kit with 3/8” and 1/2” barbed fittings, 3/8” Push to Connect I/O fittings, 15′ 12v power cable, 24″ PEX tubing, hardware, shut off cap for winterization.

*Based on 3rd party testing performed according to the United States EPA Ultraviolet Disinfection Guidance Manual

**Will not remove heavy metals or toxins.

***10 mJ/cm^2 UV dose; 30 mJ/cm^2 @ 1.4 gpm

Stealth Flex Twist Manual

Designed and assembled in USA

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Frequently Asked Questions

All grills ship fully assembled in heavy-duty crating. Just remove the packaging, add propane or charcoal, and cook. No tools required.
We offer free 30-day returns on all grills. If you're not completely satisfied with your purchase, contact us and we'll arrange a free pickup.
Yes — 0% interest financing is available on eligible purchases. Split into 4, 6, or 12 monthly payments with no hidden fees.
Yes. We carry a full catalog of OEM replacement parts including grates, burners, igniters, and heat shields for every brand we carry.
Absolutely. Our grills are built for all-weather use. The 304 stainless steel construction is designed to handle temperature extremes from -20°F winters to 110°F summers.
SKU: 513-0000 Categories: , Brand:

The Off Grid Vault Promise

Every product we carry is held to the same standard—because your independence depends on it.

Free Shipping Every order ships free, no minimums, no fine print.
30-Day Hassle-Free Returns If it doesn't fit your build, send it back within 30 days.
Vetted for Real-World Use We only stock products with proven off-grid performance and honest specs.

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About guzzle h2o Solar Panels

guzzle h2o is a trusted manufacturer of premium solar panels. OffGridVault is an authorized dealer offering the full guzzle h2o lineup with free delivery, price match guarantee, and expert support.

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