The Springclear SPC-701 compatible filter cartridge is a suitable replacement for the Insinkerator F701R and the Insinkerator F201R filter cartridges.
If you have any of the following systems, this filter will fit:
3N1 Taps (all models)
4N1 Taps (all models)
This filter is also compatible with the following filters:
Aqua House: AH-3P3
Aqua Quality: AQ-100