Suction power is ok but cover for pipe is absolutely essential to protect against bird. This should be supplied as essential accessory. Please also send duplicate copy of bill as bill not sent with the product.
Worst piece of machinery, makes loud noise, terrible service by the company, extremely inefficient, go for more expensive models by other brands but never go for this. And in case you live in eastern maharashtra, the service is provided by sainil enterprise, the won't even take your call once he the installation is done. The company doesn't help at all. I would rather blow out a hole in the wall but never every buy anything from sunflame