<https://firestat.net/product/firestat-duct-high-limit-adjustable/#product>
<http://schema.org/description>
"This product has a 7.5\" insertion rod, click here if you're looking for 5\" or 11\".\r\n \tKeep your duct system safe with our high limit control switch.\r\n\r\n \tMade in U.S.A\r\n \tEasy to Install\r\n \tUL Approved\r\n \tMore affordable than competitors"
<https://firestat.net/product/firestat-duct-high-limit-adjustable/>