Duct Return Air Boxes

Royce Company CU161622 Cube Distribution Box

Royce Company PL162024 Return Plenum Coffin Box, Metal

Royce Company PL162048 Return Plenum Coffin Box, Metal

Royce Company PL142008 Return Plenum Coffin Box, Metal

Royce Company PL202008 Return Plenum Coffin Box, Metal

Royce Company PL202024 Return Plenum Coffin Box, Metal

Royce Company PL202048 Return Plenum Coffin Box, Metal

Royce Company PL121208 Return Plenum Coffin Box, Metal

Royce Company PL182048 Return Register Box, 48 in L, 20 in W, Metal

Royce Company PL162008 Return Register Box, 8 in L, 20 in W, Metal

Royce Company PL142048 Return Register Box, 48 in L, 20 in W, Metal

Royce Company PL142014 Return Plenum Coffin Box, Metal