Air leak through holes on front of furnace? During the winter hot air blows out of these holes(01)

Air leak through holes on front of furnace? During the winter hot air blows out of these holes(01)

Video Screenshot Gallery: Blows Leaks

Blow Off Valve Boost Leak Explained [GO FAST BRETT] - YouTube
Air leak through holes on front of furnace? During the winter hot air blows out of these holes
Hydraulic Leak, THERE SHE BLOWS! - YouTube