1. Align the cap arrow with the tap symbol and lift to remove. Remove and discard used filter.
2. Hold replacement filter under running water for 10 seconds to remove any possible carbon dust.
3. Install Heyrex™ replacement filter as shown. Refill the TORUS bowl.
4. Align the cap arrow with the tap symbol. Insert cap back into place. Rotate the cap arrow to the dog symbol to release fresh water.