NESM offers a complete line of spiral pipe and fittings in a wide range of finishes:

galvanized

Stainless Steel 304\316

Aluminum\Aluminized

Galvaneal

PCD-Polyvinyl coated ductwork

NESM has a line of fittings second to none. Size 3" - 12" are die stamped and fully welded. We also offer gore lock fittings starting from 6 inches. In addition to spiral, NESM is now offering a complete line of oval duct and fittings. Like spiral, we offer oval products in a wide range of sizes and materials, to best customize to your exact needs.