ERICO offers a full range of ERIFLEX low‑voltage stand‑off insulators from 1 inch to 3.5 inches with a total of 29 sizes available. These cost‑effective insulators offer great stability of electrical and mechanical parameters and very high resistance to leakage current. ISO Series insulators are manufactured from a halogen‑free fiberglass‑reinforced thermalset unsaturated polyester molded compound (BMC). Their electro‑plated zinc inserts are threaded to ASME standards.