Should the oil film suction head of the fish tank filter be on the water or underwater? 50 The oil film suction head of the fish tank filter is a device that can float with the height of the water surface within a certain range.Hope to adopt,Thank you?Oil film suction head,Should be parallel to the water,Can't get in above the water,Lower than the water does not work.

Our goal is: to become the first brand of Chinese light duty caster industry! Contact us! The Domestic Quality Manufacturer in the Manufacturing Tools Hand Carts & Trolleys Industry Zhongshan Dajin caster Co.,Ltd.'s rollerblade casters has been substantially improved in a scientific way, as shown in the following aspects. Dajinis rich in industrial experience and is sensitive about customers' needs. We can provide comprehensive and one-stop solutions based on customers' actual situations.

Does the co2 Incubator have six small doors for American thermal power? There are no six small doors in the co2 Incubator.Heating directly on six sides,The heating assembly surrounds the whole coat,Heat-conducting materials with fiberglass are laminated in the incubator,Compared to the single point heating of other brands,Fast heating,Heating directly,There is no need for water injection and drainage,Compared with the water jacket incubator,Lighter weight,The gas sampling port is located at the front of the box,No need to open the box,HEPA filter, patent,Copper inner liner is available,Copper shelves and copper brackets,Elite precision control system-