Home » Tender for Tender Invited For Wall-mounted Cooling Unit Model No. Sk3329540 Make: Rittal Cooling Output: 2.55 Kw , Wall- Mounted Cooling Unit Model No. Sk3305540 Make: Rittal Cooling Output: 1.6 Kw , Roof-mounted Cooling Unit Model No. Sk3385540 Make: Rittal Cooling, India