The 681AL is an Erickson coupling designed for 2-1/2 inch trade size applications, constructed from copper-free aluminum. It is compatible with rigid/IMC conduit and meets UL/CSA standards.
The 681AL is an Erickson coupling designed for 2-1/2 inch trade size applications, constructed from copper-free aluminum. It is compatible with rigid/IMC conduit and meets UL/CSA standards.