Included in these combo packs is a bottle of No Toil Bio Filter Cleaner, and a bottle of No Toil Evolution Filter Oil, which is alcohol-free.

About No- Toil:

No-Toil, no toxins, no problem! Maintaining an air filter can be easy and economical. Trouble is, petroleum-based filter oils contain toxic ingredients — and the solvents required to clean them are equally harmful. Now, No-Toil Evolution oil packs offer a powerful "green" solution for your foam air filter — great dirt-stopping tackiness and high-airflow characteristics… without the alcohol!