M&M Manufacturing Company
DucTite® - Bringing Innovation In HVAC Air Distribution Products!
DucTite® is the new standard for Factory Sealed Register Boxes:
- Sealed stitch welded lap joint collar
- Collar mechanically sealed into box top
- Folded corners - NO SEAMS
- Snap-on rail flange pre-installed
- Grille screw holes for easy mounting
- Eliminates fibers in the air stream
- Available in many popular sizes
- Patented design under US Patent No. 5,749,190
Save Time & Labor!
DucTite® Register Boxes conform to 2009 IRC M1601.4.1 which requires joints and seams to be "Substantially Airtight"
Popular Sizes Available
P/N |
Box Size | Collar Dia. |
602644 |
6" x 6" |
4" |
602665 |
6" x 6" |
5" |
602666 |
6" x 6" |
6" |
602844 |
8" x 4" |
4" |
602865 |
8" x 6" |
5" |
602866 |
8" x 6" |
6" |
602867 |
8" x 6" |
7" |
602888 |
8" x 8" |
8" |
6021065 |
10" x 6" |
5" |
6021066 |
10" x 6" |
6" |
6021086 |
10" x 8" |
6" |
6021087 |
10" x 8" |
7" |
6021088 |
10" x 8" |
8" |
60210107 |
10" x 10" |
7" |
60210108 |
10" x 10" |
8" |
60210109 |
10" x 10" |
9" |
602101010 |
10" x 10" |
10" |
6021287 |
12" x 8" |
7" |
6021288 |
12" x 8" |
8" |
60212128 |
12" x 12" |
8" |
60212129 |
12" x 12" |
9" |
602121210 |
12" x 12" |
10" |
602121212 |
12" x 12" |
12" |
Factory Sealed eliminates leaks and saves installation time in the field! 
Patented DucTite ® design! 
DucTite ® Register Boxes feature quality
fabrication to the highest standards. Not
the minimum code requirement!
Click here to download a 602 DucTite® Register Box flyer.
DucTite® - Ask for it by name!