SKC Product Code: 228-9530C SKC QuickTake 30 (with programmable timer) Sample Pump with Li-Ion battery pack and cassette/tubing adapter. CHARGER NOT INCLUDED. Flow range: constant flow 10-30 L/min. Ideal for use with BioStage impactor, Versa Trap cassettes, Air-O-Cell cassettes, WallCheck II, or impaction samplers that require flows to 30 L/min