Reduced Square Ceiling S+F55 Support box 6" x 24" with attic insulation shield

This Reduced Clearance 6" Diameter 24" Ceiling Support Box offers a reliable solution for chimney installations, featuring a secure twistlock connection between the support box and chimney pipe. Designed for versatility, it works well with both flat and cathedral ceilings and is ideal for use in short attic spaces, ensuring your setup meets the highest standards of safety and efficiency.