Ductless wall-mounted indoor units Wall-mounted Indoor Unit One-Way Ceiling-cassette Four-way Ceiling Cassette Horizontal-ducted 9,000 – 15,000 BTU/H capacity:• 35 7⁄16” wide• 9 7⁄8” high• 28 7⁄8” deep24,000 – 30,000 BTU/H capacity:• 43 5⁄16” wide• 9 7⁄8” high• 28 7⁄8” deepM-SeriesP-Series Multi-Position Air Handler Outdoor Units