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.
Make a water filter out of a pop bottle.
You will need to build a support or the lot will fall over by the way.
It can remove up to 99 9 of bacteria from water but will not remove viruses such as hepatitis and rotavirus.
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.
Water bottle sciss.
From top of bottle to bottom.
This water filter is very easy and quick to make.
Simple water filter out of a waterbottle.
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.
A water filter can be a necessary survival item if you have no access to clean water.
Make a plant xylem filter using a water bottle and a pine branch.
Then go backwards with the finest filter nearest to the open top.
Most if not all the materials can be found in or around your house.