Twistloc Straight Connector Pack 5 22mm NEWLY IMPORTED Nutritious all round garden feed Nutritious all round garden feed Suitable for all heating systems Increased strength makes this a high performance corrosion and scale inhibitor Best in class formulation for multi metal protection Every bottle of MC1+ is performance tested Compatible with all metals Building Regulations Part L compliant Annual top up of MC1+ with filter service is recommended Can be used with ADEY's water testing products The most pH neutralising product on the market which prevents future corrosion and or scale build up 1 dose treats 125L or up to 15 radiators