The Answer 2.0 | Compatible With Hydro Flask, Nalgene, and More!

The Answer 2.0 is here! Now you can transform your favorite water bottles into a world-class water filtration system. Perfect for individuals leading busy, active lifestyles, always on the move.

Experience the all-new and improved design for 2025! Which includes BOTH of our premium water bottle filters, 2 lids, and multiple straw sizes. The Answer 2.0 comes with our Everytap filter for treated tap water and our Everywhere filter so you can drink water from any freshwater source or while traveling.

Upgrade your water bottle game with the Answer 2.0 Water Filter System and enjoy purified water wherever you go. Stay hydrated with confidence and embrace a healthier lifestyle!

Compatible with the following wide mouth bottles:
Hydro Flask™ (32oz & 40oz)
Nalgene™ (24oz, 32oz & 48oz)
Camelbak™ Chute (25oz, 32oz, & 50oz)
Thermoflask™ (24oz, 32oz & 40oz)
Simple Modern™ (32oz & 40oz)
Iron Flask™ (32oz & 40oz)
Hydro Cell™ (32oz & 40oz)
Takeya™ (32oz & 40oz)
YETI™ Yonder (25oz & 34oz)

Please note: Water bottles are not included.

$59.00
$59.00
Shipping calculated at checkout.
  • Epic Water Filters USA
  • Shopify Collective
THIS PRODUCT IS SOLD VIA SHOPIFY COLLECTIVE (MARKED SC OR TAGGED SHOPIFY COLLECTIVE). IT WILL BE SHIPPED DIRECTLY FROM THE SUPPLIER AND MAY HAVE SEPARATE SHIPPING CHARGES WHERE ANY ENTROPY SHIPPING DISCOUNTS ARE NOT APPLICABLE. ONCE FULFILLMENT IS ACCEPTED BY THE SUPPLIER, ORDER CANCELLATIONS CANNOT BE PLACED – YOU WILL NEED TO OPEN A RETURN/REFUND PROCESS AND WILL BE SUBJECT TO THE SUPPLIER'S RETURN POLICY. ENTROPY PRODUCT DISCOUNTS DO NOT APPLY TO (SC) PRODUCTS DUE TO LIMITED MARGINS.
  • Amazon
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Venmo
  • Visa
CURATED BY EXPERTS
HIGH QUALITY GEAR
SHIPS FAST
SECURE CHECKOUT
AS SEEN ON
Trust Reef Trust Reef
AND OVER 450 NEWS SITES
Verified by BrandPush.co

Our Bestselling Gear

What Our Customers Are Saying

5.00

"As a mom, nothing matters more than protecting my family. Entropy Survival’s emergency kits gave me peace of mind knowing we’re prepared for anything."

Dana L. – NM
5.00

"I bought the pet emergency kit for my dog and was amazed at the quality! Everything is thoughtfully packed to keep pets safe and healthy during any disaster."

Lynn B. – WA
5.00

"The Safe Trail Kit is a must-have for hikers! Lightweight, affordable, and packed with high-quality essentials — it kept me safe and prepared deep into the backcountry."

Mike B. – UT
5.00

"Entropy Survival has the best selection of quality survival gear I’ve found. Whether prepping for off-grid living or emergencies, their depth and reliability are second to none."

Paul M. – VT

GOT QUESTIONS? WE'VE GOT ANSWERS!

Yes, you can track your order via our interactive chat or via email. To see your order status, please provide your order details.

We currently only ship to confirmed addresses in the United States. We offer free shipping on all orders $99 or more.

If you purchased an item through our website and need to return it, you can request a refund within 30 days of the shipping date. To qualify for a full refund, the product must be returned in "new" condition – unused, unaltered, unworn, and containing all original components (e.g., all parts of The Safe House Kit).

HAVE QUESTIONS OR NEED HELP CHOOSING THE RIGHT SURVIVAL GEAR? GET IN TOUCH WITH US TODAY – WE'RE HERE TO HELP!

Contact Us
Forest Survival