A product used by professionals in the area of heating and sanitary engineering for regular servicing of heat exchange elements by air condition systems and heat pumps. Due to the optimal formula an excellent cleaning result is reached. pool fermit PRO Clean removes dirt and residue from lamellar and rotor blades and this results in good performance and a long life. Effectively removes grease, insects, dirt, dust and other residue caused by weather etc. Furthermore the devices can be used immediately after cleaning. pool fermit PRO Clean has a lovely fresh smell. pool fermit PRO Clean enables a simple, quick and effective method of maintaining a full functionality of the heat pump and air conditioning systems leading to an optimal level of performance.