The Innovative Products of America Air Comb Filter Cleaner thoroughly cleans air filters, condensers and radiators from the inside out. The patent pending multi-port nozzle design provides a focused high-pressure and high-volume shop air output at a 90 degree angle to access the hardest-to-reach areas. The Air Comb Filter Cleaner comes in four sizes and is ideal for tube and cylinder type air filters, radiators as well as AC condensers. Patent Pending.