How to Make a Rainwater Downpipe with Filter Using Plastic Bottles Creating a rainwater downpipe using plastic bottles is simple, cheap and easy. If you have DIY project in mind for the weekend, try your hand on this one. Have you got some broken rainwater downpipes from the roof?
Don’t worry, just bring some plastic bottles and we will help you design your own rainwater downpipe with filter. Things you will need
5-8 Plastic bottles (longer ones) One plastic bottle lid Plastic cutter or knife Duct tape