SteriPEN Classic 3 with Pre-Filter With one set of four AA alkaline batteries, Classic 3 purifies up to 50 liters or supercharge your Classic 3 with lithium batteries and treat up to 150 liters. With a lamp life of up to 8,000 liters, you’ll be drinking safe water for over 7 years! Weight 2.9 oz (82 g) Dimensions 7.3 x 1.7 x 1.7 in (186 x 43 x 43mm) Lamp Life 8,000 activations Battery 4 AA batteries – Alkaline, Lithium or Rechargeable NiMH (Not included with purchase) Battery Life Alkaline: 100 treatments (16oz./0.5L) or 50 treatments (32oz./1L), Lithium Disposable: 300 treatments (16oz./0.5L) or 150 treatments (32oz./1L), NiMH: 200 treatments (16oz./0.5L) or 100 treatments (32oz./1L). Minimium Bottle Diameter 22mm (0.8 inches) Filter Compatability SteriPEN Pre-Filter Included
