Fernox F3 cleaner express 400 ml 62420 10 stuks

This product is a 400 ml neutral, universal cleaner for heating systems, both new and existing. It can treat up to 130 liters of system water and claims to improve fuel efficiency by up to 15% when used with Protector F1.

• The description claims that using this cleaner with Protector F1 can achieve up to a 15% fuel savings.