No Toil Filter Cleaner The No-Toil Filter Cleaner is specially formulated as a concentrated solution that can be mixed with water, eliminating the need for solvents when cleaning No-Toil treated filters. It offers a fast and convenient method to keep your air filters maintained. Features: Concentrated, strong, fast-acting powder mixes with water Non-toxic and biodegradable, safe for septic tanks and your mom's roses Easy clean without solvents