- Sunproof tank, color does not fade even if exposed to sunlight for more than 10 years, no cracks, no material deterioration, no chance of sunlight entering the tank
- Durable, long-lasting water tank
- DOS water tank prevents sunlight from passing through 100%, so it is opaque, extremely safe, and does not cause algae. DOS water tanks are clean and safe for consumers.
- FDA-certified water tanks prevent sunlight from passing through, making them cleaner and safer, preventing algae growth, and preventing algae from growing.
- DOS water tanks are certified by the US Food and Drug Administration (FDA). DOS water tanks are 100% Food Grade materials, do not contain any substances that are harmful to health, which gives consumers peace of mind and is safe for the health of users.
- FDA-certified tanks use clean, safe materials that are not harmful to health, have been tested for quality, and have been well certified to be strong, durable, and suitable for use.