Electro-filter Company from china: 

https://www.klean-esp.com/contact.html

Building 4, Leaguer Science Park of RITS, No.99, Taoyuan East Road, Shishan Town, Nanhai District, Foshan City, Guangdong Province, China

tel:+86-139-2770-2137

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It costs 30,000 $ 

The Product catalogue is attached below with a product's video 

- The small scale 

1500m3/h to 3000m3/h of Exhaust air flow blower

price : 1060$ 

BS-216Q-3K is USD1060/ per unit. (FOB price)