As the efficiency of traditional gravity drainage system is very poor due to whirlpool existing inside pipe, this rainwater bucket can maximize the pipe efficiency to decrease the drainage pipe diameter used and then the building cost is reduced greatly. It's the latest technology in the world.
The bucket is made of stainless steel and aluminum which guarantees the long working life outdoors.
Different size available for wide choice and the capacity ranges 12 ~ 45 liter per second.
Detailed info is available for enquiry.