The Innovative Products of America Air Comb Filter and Radiator Cleaner completely cleans cylindrical and round type air filters, radiators and condensers, and can be used for other hard-to-reach applications. The Air Comb provides a focused high-pressure output and long-reach, 90-degree, multi-port air flow. The Air Comb Filter and Radiator Cleaner (Nos. 8050-8053) is available in 12”, 24”, 36” and 48” lengths.