3"x8'SEMI-RIGID DUCT-AL W/CLMPALUMINUM W/WORM GEAR CLAMP AIR DUSTERS Their unique design allows for

Their unique design allows for easy-to-tighten convenience

commercial

This paint product provides a long-lasting and bright-aluminum finish

or previously varnished or finished wood

Can be used on surface rust stains from bathtubs

3"x8'SEMI-RIGID DUCT-AL W/CLMPALUMINUM W/WORM GEAR CLAMP AIR DUSTERS Their unique design allows for3 x 8 Flexible Semi Rigid Aluminum Duct Kit Item #3110 Semi rigid aluminum duct is ideal for applications where building codes require use of all aluminum duct. The duct is totally non combustible with a maximum operating temperature of 400F. Continuous airtight lock seam Non combustible Class 0