Circular Distribution: An elegant cylindrical design that distributes air in all corners instead of 4 directions. Samsung 360 Circular Cassette Air Conditioner, 3 Ton - United Air Conditioning. WindFree Feature: Pushes air softly through thousands of tiny holes to avoid direct drafts. Cassette Air Conditioners - Samsung Saudi Arabia. Capacities (Units): Available in different capacities starting from 18,000, 24,000, 36,000, and up to 42,000 units. Samsung Cassette - Najoom Al Omran for Home Appliances and Air Conditioning.