Please help Design Solution #1: Gravity Filter
Strengths for Society and Environment: Holds 13 gallons of water, lasts 3-5 years, does not require electricity, filters out bacteria

Weaknesses for Society and Environment: Heavy and replacement parts cost $25-$100, Costs $390.95

Design Solution #2: Lifestraw
Strengths for Society and Environment: You can drink from something as small as a puddle, filters out bacteria (99.99% of waterborne bacteria)

Weaknesses for Society and Environment: Only lasts 250-330 days, might affect an insect’s environment

Design Solution #1: Gravity Filter
*Does it meet the criteria? Explain:
Does it meet the constraints? Explain: Yes, because research shows
that the lifestraw filters out 99.99% of bacteria.

*Design Solution #2 Is more useful than Design Solution #1 Because...
*The purification method that will help the most people in the community is...

because...