Cloth filter
![Women at a village pond in Matlab, Bangladesh washing utensils and vegetables. The woman on the right is putting a sari filter onto a water-collecting pot (or kalash) to filter water for drinking.](/Images/godic/202501/05/Washing_Utensils_And_Vegetables4548.png")
Developed for use in Bangladesh, the cloth filter is a simple and cost-effective appropriate technology method for reducing the contamination of drinking water. Water collected in this way has a greatly reduced pathogen count - though it will not necessarily be perfectly safe, it is an improvement for poor people with limited options.