AD SysS Plus w/TCV w/coal-Reman. Superior Drying Efficiency Advanced desiccant technology maximizes moisture removal, extending the life of downstream components. Smart Regeneration Electronically controlled models regenerate only when needed saving energy and improving air usage efficiency. Compact & Lightweight Easy to install and replace, with models up to 30% lighter than previous generations. integrated Design Built-in purge volume and optional integral governor simplify plumbing and reduce installation costs. Spin-on cartridges and external service components allow for fast, five-minute replacements.