STI Professional line is made-up of 6 models, namely:

GAISER 2000 / GAISER 4000 / QV7 PRO / COMBY 3000 / COMBY 3500 / COMBY 4000

Such line includes larger and more powerful steam machines, which are ideal for sanitizing and hygienizing medium to large indoor spaces, both public and private, such as hospitals and healthcare facilities, hotels and hospitality’s sector environments, restaurants and catering industry’s venues, as well as schools, pools, fitness centers etc.