... booth Washable 4-5times air filter cotton air intake filter air intake cotton filter·Washable and reusable ·Low ... where the place has air-conditioner), pre-filter through air filter programType: supply pads or rolls sizeMedia: ... Coarse Filter Cotton, Ceiling Filter, Floor Filter, Heat-Resistant Air Filter, all kinds of Pocket, Plank, Foldaway Filters, Primary Filter, Secondary Filter , HEPA Filter, ...