4 SET Airbrush Spray Gun Wash Cleaning Tools Needle Nozzle Brush Glass Cleaning Pot Holder Easy-to-use, insert one of the included filter pads in the filter tube Heavy glass jar; prevents the weight of an airbrush and hose from tipping over the pot Add solvent to your airbrush's color cup and spray through the rubber port in the cover, flushing the pigment from the brush and into the pot This clean pot also can be used as an airbrush holder