The most widely-used emergency desalinator 

• Produces up to 4.5 litres per hour
• Produces enough water for multiple person liferafts
• Widely used by US and international military forces, voyagers, sea kayakers, and other adventurers

Specifications
Water Production (+/- 15%): 1.2 gallons/hour (4.5 liters/hour)
Weight: 7 lbs (3.2 kg)
Dimensions: 5.5" x 22" x 3.5" (14 x 55.9 x 8.9 cm)
Salt Rejection: 98.4% average (95.3% minimum)
Average Pump Rate: 30 strokes/minute
US Coast Guard Approval Number: 160.058/6/0