Hillmark Rangehood FilterKleen removes built-up grease and grime on kitchen range hoods, canopy hoods and cooker hood filters, without scrubbing. The removal of grease will increase the efficiency of the exhaust and reduce the noise output. Concentrated cleaner for rangehood and canopy hood filters Restores filter to original look and efficiency Non-caustic Biodegradable Suitable for use on micro-mesh metal filters and frames in kitchen range hoods