It is offered in guaranteed level premium periods of 5, 10, 15, 20, 25, 30 years as well as lifetime. (termland.com)
Term life insurance policies usually don't expire after the initial guaranteed level premium period. (term-life-online.com)
The policy is convertible to the lesser of level premium period (LPP) or to the first policy anniversary on or after your 65th birthday, but at least 5 years. (policygenius.com)