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"Your Bottle Should Clean Itself
So You Don’t Have To"

"Your Bottle Should Clean Itself So You Don’t Have To"

"No smell or metallic taste like every other water bottle I've used."

- Stephen C., Klear customer

Great-tasting water in a bottle that cleans itself.

The world's first and only, universal self-cleaning cap that fits any size wide-mouth reusable water bottle giving you fresh, clean, and crisp water every time. KLEAR uses UV-C light to kill 99.9999% of bacteria, germs, and viruses that are growing in your bottle in less than 3 minutes keeping your bottle clean and stank-free.

Sold out

100% NO-RISK MONEY BACK GUARANTEE
4.8
★★★★★

"No smell or metallic taste like
every other water bottle I've used."

- Stephen C., Klear customer

Great-tasting water in a
bottle that cleans itself.

The world's first and only, universal self-cleaning cap that fits any size wide-mouth reusable water bottle giving you fresh, clean, and crisp water every time. KLEAR uses UV-C light to kill 99.9999% of bacteria, germs, and viruses that are growing in your bottle in less than 3 minutes keeping your bottle clean and stank-free.

Sold out

100% NO-RISK MONEY BACK GUARANTEE
4.8
★★★★★

Sold out

100% NO-RISK MONEY BACK GUARANTEE
4.8
★★★★★

"No smell or metallic taste like every other water bottle I've used."

- Stephen C., Klear Cap customer

Great-tasting water in a bottle that cleans itself.

The world's first and only self-cleaning cap that fits any size wide-mouth reusable water bottle giving you fresh, clean, and crisp water every time. KLEAR uses UV-C light to kill 99.9999% of bacteria, germs, and viruses that are growing in your bottle in less than 3 minutes keeping your bottle clean and stank-free.

"Cleaner, healthier water bottle with two taps."

Klear cleans your bottle for you so you don't have to.

Klear Cap is designed to give you peace of mind. Using the power of UV-C light to kill odor-causing, harmful bacteria in less than 3 minutes providing you with cleaner, healthier water bottle.

"Cleaner, healthier water bottle with two taps."

Klear cleans your bottle for you so you don't have to.

Klear Cap is designed to give you peace of mind. Using the power of UV-C light to kill odor-causing, harmful bacteria in less than 3 minutes providing you with cleaner, healthier water bottle.


"This cap fits every wide mouth water bottle"

Turn your basic wide mouth water bottle into a smart bottle by simply replacing the cap.

Klear allows you to keep any of your favorite water bottle flask and turn them into a smart, self-cleaning water bottle with a tap on your cap instead of buying a whole new bottle.

"This cap fits every wide mouth water bottle"

Turn your basic wide mouth water bottle into a smart bottle by simply replacing the cap.

Klear Cap allows you to keep any of your favorite water bottle flasks and turn them into a smart, self-cleaning water bottle with a tap on your cap instead of buying a whole new bottle.

A cleaner bottle = pristine
drinking water.

Here's the dirty truth about your water and your bottle...

Most people clean their water bottles when it starts to have that gross smell. Here's a Scientific Fact that might shock you:
If you leave your bottle unwashed for only a few days... Your bottle can be dirtier than a toilet seat. Yes...A toilet seat!

A toilet seat on average has 27 units per square centimeter (CFU/sq cm) of living germs.
Now guess how many germs your unwashed bottle have?
Hold onto your seat...

Your bottle can have 933,340 CFU/sq cm of living germs.

933,340!!!

That means your bottle can be 34,568 times dirtier than a toilet seat. And most of these germs are harmful over time and can cause serious health issues..
Here’s the bottom line: these hidden bacterias, germs, and viruses can make you have diarrhea, fever, sore throat, and many other problems.

KLEAR uses UV-C light to kill 99.9999% of bacteria, germs, and viruses that are growing in your bottle in less than 3 minutes keeping your bottle clean and stank-free. As a bonus, when you use KLEAR, you will save an average of $250 a year by not wasting money or harming the planet with disposable plastic water bottles.

source: https://www.treadmillreviews.net/water-bottle-germs-revealed-2019/

Sold out

100% NO-RISK MONEY BACK GUARANTEE
4.8
★★★★★

A cleaner bottle = pristine drinking water.

Here's the dirty truth about your water and your bottle...

Most people clean their water bottles when it starts to have that gross smell. Here's a Scientific Fact that might shock you:
If you leave your bottle unwashed for only a few days... Your bottle can be dirtier than a toilet seat. Yes...A toilet seat!

A toilet seat on average has 27 units per square centimeter (CFU/sq cm) of living germs.
Now guess how many germs your unwashed bottle have?
Hold onto your seat...

Your bottle can have 933,340 CFU/sq cm of living germs.

933,340!!!

That means your bottle can be 34,568 times dirtier than a toilet seat. And most of these germs are harmful over time and can cause serious health issues..
Here’s the bottom line: these hidden bacterias, germs, and viruses can make you have diarrhea, fever, sore throat, and many other problems.

KLEAR uses UV-C light to kill 99.9999% of bacteria, germs, and viruses that are growing in your bottle in less than 3 minutes keeping your bottle clean and stank-free. As a bonus, when you use KLEAR, you will save an average of $250 a year by not wasting money or harming the planet with disposable plastic water bottles.

source: https://www.treadmillreviews.net/water-bottle-germs-revealed-2019/

"Purifies questionable water &
cleans your bottle
"

Safe drinking water from a clean bottle in less than 3 minutes.

  • Integrated 275nm UV-C LED
  • Cap measures 2.5 inches wide
  • 30-day rechargeable USB battery
  • Fits most standard widemouth reusable water bottles
  • Portion of proceeds donated to our charity partners to benefit the world

"Purifies questionable water & cleans your bottle"

Safe drinking water from a clean bottle in less than 3 minutes.

  • Integrated 275nm UV-C LED
  • Cap measures 2.5 inches wide
  • 30-day rechargeable USB battery
  • Fits most standard widemouth reusable water bottles
  • Portion of proceeds donated to our charity partners to benefit the world

the klear solution

For You: 
Did you know, a single water bottle costs, on average, $1.45. The average person uses 167 water bottles per year in the United States. Based on the average individual consumption, the yearly cost is nearly $250.

For The World:
500 billion plastic bottles are used every year - Meaning there are 66 times as many bottles as there are humans on the planet. That's a million plastic bottles every minute! And only 7% of the bottles collected were used to create new ones.

And now you are part of the solution to reduce this problem.

We believe we can positively impact the world through every purchase so with every purchase, a portion of the proceeds go to our charity partners to benefit the world.

*Klear Cap fits over 95% of wide-mouth flasks
but your order does not include a bottle.

JUST THE FAQ's

Questions? We're Here To Help.

What's in the box?

(1) Klear Cap - Universal Widemouth Water Bottle Cap
(1) Magnetic USB Connector
(1) Quick Start Guide
(1) Widemouth 32oz bottle - (optional)

Where can i use it?

You can use it anywhere you want. Whether you are out in the wild, camping, working out in a gym, working in your office, or just chilling at your home, you can always use Klear Cap to clean your water and your bottle.

Does it really kill bacteria, germs, and viruses?

Absolutely YES. Our Klear Cap contains a 275nm UV-C LED light which is the optimal spectrum for neutralizing 99.9999% of harmful and odor-causing bacteria, germ, and viruses.

When bacteria, germs, or viruses are exposed under the UV light, the UV light will break the DNA’s chemical bond and kill any bacteria, germs, or viruses.

How long does the cleaning cycle take?

After you activate a cleaning cycle, it will take 2-3 minutes to complete the whole process. (Do not interrupt the sanitation cycle by removing the cap.)

How do i activate a cleaning cycle?

1. Fill your widemouth flask with water*
2. Screw on Klear Cap and tap the Klear crescent button twice to get sanitizing.
(Do not interrupt the sanitation cycle by removing the cap)
3. Do the Macarena and shake it all around to spread the UVC light evenly.

Voila! Enjoy KLEAR water from a clean bottle. #drinkklear

*Water should be clear with no sediments. Filter murky water before sanitizing with the KlearCap.

How often does the Klear Cap need to be charged? 

One charge can provide up to 25 cleaning cycles, with each cycle lasting 2-3 minutes long. The cap conveniently recharges via a magnetic USB charger. Easy to use, reliable, and durable - just the way everything should be.

Does the klear Cap remove heavy metals or fluoride?

No, since the Klear Cap does not contain a filter, it does not remove physical impurities from the water. The UV-C LED technology is effective in neutralizing up to 99.9999% of harmful bacteria, germs and viruses preventing the growth of odor-causing bacteria and eliminating water-born illnesses.

Does it fit my wide mouth water bottle?

Yes. Our Klear Cap is designed to fit 95% of all wide mouth water bottles. Whether your wide mouth water bottle is 64oz, 40oz, 32oz, 20oz, 18oz, 16oz, or 12oz.

Does the klear cap have a warranty?

Klear offers a 1-year limited warranty on all caps & bottles purchased from www.drinkklear.com and authorized retailers. The warranty covers the repair or replacement of any defective material or component. In the rare case that we are unable to repair or replace the defective material or component. we will submit a refund. It does not cover any issues due to normal wear and tear, misuse or loss/theft of the bottle and/or cap.

To submit a warranty claim, please email us at hello@oakandhearth.com or give our Customer Success team a call at (702) 420-7553.

DISCLOSURE: The Klear Cap fits 95% of widemouth water bottles. If Klear Cap does not fit your bottle, you can return it for a full refund. 100% guaranteed. It is still recommended for you to clean your bottle with soap and water as germs and bacteria build up on the mouth piece.  

KLEAR™ - Distributed by Oak & Hearth. All Rights Reserved.
Designed In California. Headquarters in Orange County, Ca
Phone: (702) 420-7553  | Hours: Mon-Fri. 9am to 5pm (PST)