Fernox Boiler Noise Silencer F2 Express Aerosol 400ml

Quick and convenient to use - doses in 30 seconds - no need to drain down the system.
Supplied with a range of dosing adapters and a fully controllable trigger mechanism for mess-free, no wastage dosing.
High performance, non-toxic, environmentally friendly formulation.
One 400ml, 100% recyclable canister treats up to 130 litres of system water (16 radiators) and the equivalent of 250m2 of underfloor systems.
Reduces boiler noise and improves heat transfer efficiency.
Saves on fuel bills and reduces maintenance costs.