The 59F 8X14X9 Ceiling Box with 4'' Extension from Southwark Metal Mfg Co is a versatile solution for HVAC installations. Measuring 8x14x9 inches, this ceiling box is designed to accommodate various duct sizes and configurations. The 4-inch extension allows for flexible installation options, making it suitable for both new constructions and retrofits. Constructed from high-quality materials, it ensures durability and compliance with industry standards. This ceiling box is ideal for efficient air distribution in residential and commercial spaces, providing reliable performance and ease of installation.