The STERIPEN Classic 3 with 40-micron pre-filter is the most versatile model in the STERIPEN line.
Treatment size: 1L
Treatment time: 90 Seconds
Lamp Life: 8000 activations
Battery: 4AA batteries Lithium or Rechargable NiMH
The 40x40 micron screen pre-filter fits perfectly on wide mouth one liter water bottles and removed particulates that can get in the way of UV light in water. The Pre-Filter is designed to be stored directly on a wide mouth bottle and the STERIPEN 3 Classic fits perfectly in the filter. Just insert the STERIPEN in the filter opening, turn the bottle upside down and gently rock to circulate light throughout the bottle.
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