Most if not all the materials can be found in or around your house.
Make a water filter out of a pop bottle.
Filter material hay grass leaves of safe trees oak maple the goal is the farther down you get the finer material you take out of your water.
Simple water filter out of a waterbottle.
You will need to build a support or the lot will fall over by the way.
Water bottle sciss.
It can remove up to 99 9 of bacteria from water but will not remove viruses such as hepatitis and rotavirus.
A water filter can be a necessary survival item if you have no access to clean water.
Then go backwards with the finest filter nearest to the open top.
The pop up nipple on the bicyclest bottle just happens to fit over the nipple tube that fits on the end of the filter that otherwise drains into your filtered water receiveing vessel.
This water filter is very easy and quick to make.
You might also try cotton or window screen material not designed for filtration.
This will mean the clean water comes out of the bottle into the coffee cup.
So cut the base off the plastic bottle first put the bottle upside down in to a coffee cup.
Make a plant xylem filter using a water bottle and a pine branch.