No Toil Filter Maintenance Kit - 2 Pack NT204 2-pack with a 16 ounce bottle of Classic Biodegradable Air filter oil and a 16 ounce bottle Biodegradable Air Filter Cleaner The Classic Starter Pack. The No-Toil Classic 2-pack gives you everything you need to perfectly maintain a filter. No-Toil Classic Biodegradable Filter Oil gives you the best protection, while No-Toil Biodegradable Cleaner makes cleaning your dirty a filter a breeze without solvents.