303279 Free Flow 50 sq ft filter is for the following models.
| Make | Model | Date Range |
| Free Flow | Emerald | 2012 |
| Free Flow | Tri Star | 2009-2015 |
| Free Flow | Azure | 2009-2015 |
| Free Flow | Monterey | 2012-2015 |
| Free Flow | Cascina | 2013-2015 |
| Free Flow | Mini | 2015 |
| Free Flow | Excursion | 2007-2015 |
| Free Flow | Solstice | 2006-2014 |
| Free Flow | Accent | 2006-2014 |
| Free Flow | RLX | 2005-2008 |
| Free Flow | TLX | 2005-2008 |
| Free Flow | CLX | 2005-2008 |
| Free Flow | Passport | 2005-2011 |
| Free Flow | Crossfire | 2006-2008 |
| Free Flow | Legend | 2005-2008 |
| Free Flow | SLX | 2007-2008 |
| Fantasy | Entice | 2013-2015 |
| Fantasy | Embrace | 2013-2015 |
| Fantasy | Splendor | 2013-2015 |
| Fantasy | Drift | 2013-2015 |
| Fantasy | Aspire | 2013-2015 |
| Aquaterra | Verona | 2012-2015 |
| Aquaterra | Milano | 2014-2015 |
| Aquaterra | Newporter | 2012-2015 |
| Aquaterra | Transport | 2012-2015 |
| Aquaterra | Toscano | 2012-2015 |
| Aquaterra | Benicia | 2014-2015 |
| Lifesmart | LS-100 | 2013-2015 |
| Lifesmart | LS-200 | 2013-2015 |
| Lifesmart | LS-350 | 2013-2015 |
| Lifesmart | LS-400 | 2013-2015 |
| Lifesmart | LS-600 | 2013-2015 |