1288-FL 18-3/4″X18-3/4″ FL BX R6 – 1288FL18341834

Duct Box, Insulated Board, Return, 18 in WD, 4.5 in HT, 18 in LG, 30 gauge THK, Galvanized Steel, Black Interior, ASTM C1338, R6 Insulation, Flange

Note – We recommend ordering it as part of a complete system to ensure safe delivery. Orders placed for individual parts are shipped at the buyer’s risk, and we will not be responsible for any damage that occurs during transit.