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PLENUM 16-1/2" X 19-3/4" X 36"W/ 1/2" FLANGE AND TOP
Product Number: 78109
Manufacturer Code: B7 PLENUM
Manufacturer Code: B7 PLENUM
PLENUM 23-1/8" X 19-3/4" X 36"W/ 1/2" FLANGE AND CAP
Product Number: 81072
Manufacturer Code: D7 PLENUM
Manufacturer Code: D7 PLENUM
PLENUM 19-5/8" X 19-3/4" X 36"W/ 1/2" FLANGE AND TOP
Product Number: 80062
Manufacturer Code: C7 PLENUM
Manufacturer Code: C7 PLENUM