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. While it does not have a skeleton structure like 14-0843, it is very flexible and will conform and contort to its surrounding.

It press-fits over the pump inlet and has been confirmed to work on the following:
-Ti Automotive E5LM
-Ti Automotive BKS1000
-Ti Automotive BKS1001

14-0743 FUEL PUMP INLET FILTER SOCK, 19MM ID
This rigid high-flow 100um (micron) filter press-fits over the pump inlet.

It has been confirmed to work on the following:
-Ti Automotive E5LM
-Ti Automotive BKS1000
-Ti Automotive BKS1001

It is the same filter that is included in the Radium HVFST (high volume fuel surge tank) and the Radium FCST (fuel cell surge tank) for external pumps.

14-0843 FUEL PUMP INLET FILTER SOCK, 19MM ID
This 80um (micron) pre-filter sock has a 76mm OD. While it does not conform and contort as well as 14-0543, it has a skeleton structure making it less susceptible to cavitation.

It press-fits over the pump inlet and has been confirmed to work on the following:
-Ti Automotive E5LM
-Ti Automotive BKS1000
-Ti Automotive BKS1001