11 Air-conditioning installations; Air purifying apparatus and machines; Filters for drinking water; Ionization apparatus for the treatment of air; Purification installations for sewage; Wall water fountains; Water filtering apparatus; Water purifying apparatus; Water purifying apparatus and machines; Water sterilizers
The mark consists of the wording "DELTAHVAC" in stylized font with a triangular-shaped design to the left of the wording. DELTA HVAC Color is not claimed as a feature of the mark. The wording DELTAHVAC has no meaning in a foreign language.