For sale: Mando cassette air conditioner, 4 tons (48,000 BTU), used. Model: AC-CST-60000H (Four-way). Condition: Clean and in excellent working condition, cools in extreme temperatures (T3 system for hot climates). Location: Riyadh. For contact, pictures, and bidding details, please message privately. Note to you: The AC unit size is 48,000 BTU (approximately 4 tons, not 3 tons), and its power is clearly shown on the technical label (47,690 BTU). I have five units, each priced at