Cascade Marlin Replacement Bio Sponge - Small Filters

  • $9.49


  • Replacement biological sponge for the Cascade Marlin line of filters
  • Includes 1 sponge per package
  • This media fits OCF1, OCF2, OCF3, OCF11, OCF12 and OCF13
  • This media DOES NOT fit OCF4, OCF5, OCF14 or OCF15