4000 - Return Air Filter Perfo

Item #: TRU4030FG2
Supplier #: 4030FG2
24X24 PERF. RTN FG 1-2 FLTR

Item #: TRU4030FG2DB
Supplier #: 4030FG2DB
PERF. RTN FG 1-2 FLTR W/DB

Item #: TRU4031FG2
Supplier #: 4031FG2
24X24 PERF. RTN FG 1 FILTER

Item #: TRU4031FG2MLD
Supplier #: 4031FG2MLD
PERF. RETURN FG 1 FLTR W/MLD

Item #: TRU4034FG2DB
Supplier #: 4034FG2DB
B/T RTN FG PERF 4 W/DB