MISTRAL 500 filter protects electric and electronic machines in industrial production plants from dust and oily mist.MISTRAL REFILL 500MMSKU: CTCMIST500R$84.71PriceQuantity*Add To CartBuy NowPRODUCT INFOFilter width: 19.69 inches. Roll length: 866 inches. Return PolicyAll sales subject to a 25% restock fee. must be unused and in good resaleable condition.