Everpure RO-LEVEL III & SOFTENER SERVICE provides comprehensive maintenance for one reverse osmosis (RO) system and water softener. Compatible with models MRS-600 HE/HE-II and BWS1500, this service includes the replacement and flushing of cartridges, thorough checks of the RO system, and necessary adjustments (cartridges sold separately). Additionally, the service involves inspecting, sanitizing, and restarting the water softener (EVRTW0090), ensuring optimal performance and water quality.