16 ″ D. 7- 18 oz. Aerosol cans of coil cleaner. 2 various brands - 4 Cans of True Freedom Brand by Continental Maintenance Specialties - 3 cans of Foaming Coil Cleaner by Terand Industries. For use to clean COILS, evaporators, fins, condensors, etc. on AC, HVAC, Refrigeration makes use of such as commercial freezers, refrigerators, ice makers, and so on. Both brands are no rinse, no extreme chemicals and naturally degradable. Improves air flow, removes mold, fungus, spots and smells. No harsh fumes. LESS THAN $10 PER CAN - COMPARE at $15 to $20 each.