Prefabricated Ductwork (IN WALL DUCT SYSTEMS)
(Product availablity is subject to change without notice. Not all products are available from all facilities.)

RECTANGULAR STACK (RISER) DUCT For use between wall studs for venting: - Kitchen & bath fans; - Range hoods; - Heating & air conditioning supply & return ducts. • Snap together - no tools needed. • Can be cut to length with tin snips. Sold in half sections. Click here to print a Detailed Specification Sheet (PDF)

RECTANGULAR STACK ELBOWS • Used with rectangular stack duct for 90 or 45 degree turns. • Available in short way and long way configurations. Click here to print a Detailed Specification Sheet (PDF)

RECTANGULAR STACK HEADS • For transition from rectangular stack duct to air register or grill (normally side wall registers). • “SHW” models include tabs for easy joist attachment. Click here to print a Detailed Specification Sheet (PDF)

STACK BOOTS - STRAIGHT • For straight line transition from round pipe or insulated flexible duct to rectangular stack duct. Click here to print a Detailed Specification Sheet (PDF)

STACK BOOTS - 90 DEGREE • For right angle transition from round pipe or insulated flexible duct to rectangular stack duct. Click here to print a Detailed Specification Sheet (PDF)

RECTANGULAR STACK DUCT CAPS • Used to terminate or block off a run of rectangular stack duct. Click here to print a Detailed Specification Sheet (PDF)

RECTANGULAR STACK DUCT STARTING COLLARS • For transition from plenum or flat surface to stack duct. Click here to print a Detailed Specification Sheet (PDF)

FAN BOOTS • For transition from Range Hood Top 3 1/4” x 10” opening to round pipe. Click here to print a Detailed Specification Sheet (PDF)

OVAL PIPE • For use between walls for supplying air to high wall registers or to other floors. • Efficient alternative to rectangular stack (riser) duct. Click here to print a Detailed Specification Sheet (PDF)

OVAL 90 DEGREE FLAT ELBOWS • For changing the horizontal direction of a run of oval pipe. Click here to print a Detailed Specification Sheet (PDF)

OVAL STACK HEADS WITH WINGS • Provide right angle transition from oval pipe to register, usually side wall register. • Built-in wings for easy attachment to wall studs. Click here to print a Detailed Specification Sheet (PDF)

OVAL TO ROUND BOOTS-STRAIGHT • Provide straight transition from round pipe or insulated flexible duct to oval pipe. Click here to print a Detailed Specification Sheet (PDF)

OVAL TO ROUND BOOTS - 90 DEGREE • Provide right angle transition from round pipe or insulated flexible duct to oval pipe. Click here to print a Detailed Specification Sheet (PDF)

OVAL TO ROUND BOOTS-END • For transition from round pipe or insulated flexible duct to oval pipe. Click here to print a Detailed Specification Sheet (PDF)