Fuel filters; fuel filters adapted for marine use; filters adapted for flexible fuel lines; fuel filters for the treatment and control of microbial growth in distillate fuels and oils; fuel filters being magnetic fluid conditioners; filters for machines; filters being parts of machines; filters for liquid hydrocarbons in engines or motors; filters for industrial purposes; filters for lubricants; filters for internal combustion engines; filters for cleaning the lubricating oils in engines; filters being parts of engines; parts and fittings for all the aforesaid goods