SKC Product Code: 110-100K5D SKC AirLite 5-Pack Pump Kit (High and Low Flow Sampling) with five each: AirLite pumps with Alkaline batteries, filter cassette holders, screwdriver sets, constant pressure controllers, adjustable low flow holders, protective type A tube covers, and carry case. Flow range: Constant flow 5-3,000 ml/min. (Low flows from 5-500 ml/min require a low flow adapter kit). Note: The AirLite does NOT have an intrinsic safety approval, and is designed for sampling in areas that DO NOT require intrinsic safety