Says they are for inboards, But I am using my I/O on my outboard with no problems.
Rated for 30 GPH
Racor 120RRAC01 Gasoline Spin-On Series Fuel Filter/Water Separators
Gallons per hour- 30
Port size- 1/4-18
Bowl- See-Thru
Cost: $55.92
Racor 120RRAC01 Gasoline Spin-On Series Fuel Filter/Water Separators Replacement Element Number S3240
Racor S3240 Gasoline Spin-On Fuel Filter Elements
Application- Inboard
Fuel Type- Gasoline
Fits Model Numbers-120R-RAC01
Cost: $13.97