Our Guarantee:

It's simple.
If within 30 days of purchase, you are not completely satisfied
with how WaterYOUwant performs, return the unused portion with a brief explanation of why we did not meet your expectations to:
 

H2OK Engineering
Customer Relations
1100 Pawnee Lane
Mount Vernon WA 98273-9103

Upon receipt, within five days we will promptly sent a refund check to the original purchaser for the total amount of purchase including shipping and handling costs.