Shtil InStab IS350 Inverter Stabilizer

Selling a Shtil InStab IS350 inverter voltage stabilizer. Without a doubt, the best protection for a boiler/heater that can be found on the market. Features: Pure sine wave Instant reaction to voltage fluctuation (0ms) Wide input voltage range (90—310V) Silent. No clicking sounds like relay models. Compact, lightweight, and easy to install and connect. Barely used, in excellent condition. Reason for sale — bought a more powerful one due to replacing the boiler. There are two units and one box. Price without the box is 220 GEL. Price with the original box, manual, warranty card, and mounts is 270 GEL.