Both filters are compatible with gasoline and alternative fuels such as methanol, ethanol, E85, etc.
14-0143 FUEL PUMP INLET FILTER SOCK, 11MM ID
This 65um (micron) pre-filter sock press-fits and uses a safety lock washer. It has been confirmed to work on the following popular in-tank fuel pumps among others:
-Walbro 255 GSS341
-Walbro 255 GSS342
-Walbro F9000262
-Walbro F9000267
-Walbro F9000273
-Walbro F9000274
-Walbro F9000285
-Walbro F9000295
-AEM 50-1000 Gas
-AEM 50-1200 E85
-Aeromotive 340R 11141
-Aeromotive 340R 11142
-Deatschwerks 9-301-1000 
14-0543 FUEL PUMP INLET FILTER SOCK, 19MM ID
This 80um (micron) pre-filter sock has a 76mm OD. It easily press-fits over the pump inlet and has been confirmed to work on the following:
-Ti Automotive E5LM
-Ti Automotive BKS1000