Total weight for all units are well under 3

But luckily

This includes the reliance on bloom boosters used on top of base nutrients

they unfortunately are not very helpful to your plants

The large range of sizes allows for multiple room sizes with normal ceilings and even higher ceilings (HC)

Centrifugal Can Fan RK 100mm 240m3/hr Light Controllers Total weight for all unitsCentrifugal Can Fan RK 100mm 240m3 hr The Can Fan RK is an innovative and economic inline tube fan that is perfect for any indoor growing setup. Available in sizes ranging from 100mm to 250mm, this plastic fan is not only affordable but also maintenance free, making it a convenient choice for any grower. The Can Fan RK comes in 10 different variations, ensuring that there is a perfect fit for every setup. Its backward centrifugal extraction design,