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> Malco D4AST 4" pre-assembled dampers 100 pack
Malco D4AST 4" pre-assembled dampers 100 pack
This listing is for 1 NEW Malco D4AST
4" Pre-Assembled Single Bearing Dampers with Handles & Wing Nuts
Malco D4AST 4" 28 Gauge Pre-Assembled Single Bearing Dampers with handles and wing nuts allow bearing holes to be made in round duct with the use of a scratch awl. Squeeze pipe so that it is oval shaped. Insert damper into pre-punched bearing hole. The pipe will spring back to round when released. Secure with the provided wing nut. The damper may be adjusted with a screwdriver or a damper handle.
> This listing is for 1 NEW Malco D4AST 4" Pre-Assembled Single Bearing Dampers with Handles & Wing Nuts (100 Pack) Malco D4AST 4" 28 Gauge Pre-Assembled Single Bearing Dampers with handles and wing nuts allow bearing holes to be m...
