Oil boiler filters We only fit the best oil filters in the UK. These filters are made in England and have filtration down to 10 microns which is by far the best on the market to protect your oil boilers.Why fit a filter?Fitting an oil filter is the most important part of boiler longevity as it protect the burner from bad contaminants which affect combustion. Fit a filter and have more peace of mind that it’s in safer and better hands. Where to buy oil filters?We sell all quality inline oi...