4" COLLAR SPIN-IN FOR FIBERGLASS W/ DMPR AND E-STYLE STAND-OFF

Mechanically riveted body.
R-6 standard. Available for R-4 ductboard.
Galvanized steel provides excellent corrosion resistance and longevity.
Spin-in groove fabricated into body to ensure accurate inlet diameter.
Clamp band and pipe crimp facilitate quick and secure field installation.