SKC Product Code: 224-4122 SKC AirLite (Alkaline only) Lead-In-Air Sampling Pump Kit with pump, Alkaline batteries, preloaded filter cassettes (225-3-01), filter cassette holder (225-1), and lead sampling literature pack (Application Guide 1166-Filter Sampling, Application Guide 1366-Calibrating, and CFF 1034-Lead, NOISH 7082, 7105, 7300). Note: The AirLite does NOT have an intrinsic safety approval, and is designed for sampling in areas that DO NOT require intrinsic safetyafety