Dundas Jafine ProFlex 4 In. x 50 Ft. Aluminum Flexible Dryer Duct Masonry & Hammer Bits 600 nails per charge on

600 nails per charge on 2

skid resistant

mercury free

Brass body construction

Dundas Jafine ProFlex 4 In. x 50 Ft. Aluminum Flexible Dryer Duct Masonry & Hammer Bits 600 nails per charge onProFlex duct is ideal for many venting applications. Bulk 50' roll can be cut sold to lengths needed for each job. Per UL2158A, only ducts 8' or less can be UL marked; only lengths of 8' or less can be UL approved for use as venting for gas and electric clothes dryers. ProFlex is constructed of heavy duty, fire resistant, 4 ply aluminum foil laminate that encapsulates a high density, corrosion resistant wire helix. This forms an airtight and easy to