Selkirk 208424 Support Box, 8", #8T-SB HELLOFALL10 Rusty Metal Primer

Rusty Metal Primer

Rotate tube to adjust closing speed

Double HH quality ratchet jacks are precision engineered to get the job done

Works with any standard sprinkler timer

A minimum of a 2 minute contact time is required

Selkirk 208424 Support Box, 8", #8T-SB HELLOFALL10 Rusty Metal PrimerThe Support Box is intended for use when installing a Sure Temp chimney in an a frame, in a mobile home, or in a ceiling under a narrow section of roof. It provides a finished installation at the ceiling level and will support up to 20 feet of 8" diameter chimney. The part also can be used to provide shielding from insulation when installed in an unoccupied attic space. The support box assembly is comprised of a black box designed for installation