The Newest & World’s Simplest Linear / Oscillating Pedal System… can be installed to common bike frame…
The device shown above can be use for ventilation of toilet, rooms, sala, kitchen, dining room, etc… A very need during this pandemic….
As per testing, the 16 inches common electric fan can transfer air to a distance of more than 15 feet using the innovated exhaust housing …i will show part 2 soon….
Note : Commercial exhaust fan is very expensive. While the DIY exhaust fan shown is very affordable..
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