Basement cigar room. 2 questions: Can this be mounted in the ceiling between studs with a drop ceiling? and 2: how many 6" inlets should be installed

I’m using this for exhaust in my cigar room, third floor and open hang from the ceiling in a window bay. For my space, a straight line single inlet was adequate. I added a noise suppression canister so that acts as my 8” inlet. For your purposes, it’s just a matter of how much space you have between joists, and even more so, between the flooring above and the drop ceiling. The fan itself will work fin in that environment if it fits physically. Depending on your space, you might be fine with a single 8” inlet (or whatever size matches your fan). If you need an additional inlet, keep them in a straight line if at all possible and make the one farthest from the fan smaller. So if you have an 8” fan, you’d step the duct down to 6”, then a 6” inlet at the end of that, step the duct down again to 4” and have a 4” inlet at the very end.

Do you have to use controller or just plug fan in on a switched circuit?

When I plug into the outlet without the controller, the fan runs. Not sure if it is set to the max setting. In case your controller is broke or want it to run continuously.

I need to mount this outside to blow air into a small space. Can it tolerate getting rained on?

Yes you can mount it outside. As long as you properly shield the unit from the elements this fan will work beautifully to bring the outside air in, which is precisely what I did. I created a window mount by using flat pieces of plywood that I cut a hole through that's just large enough to fit the Infinity cloud line t8 through a double hung window (actually the slightest bit larger) that I filled in the gap with gaff tape for a solid gasket seal. To shield it from the rain and snow I built a roof that slopes at a 45 degree angle so that all the moister jets off the enclosure. I filled in the triangle on the side so that all the intake air comes from the bottom of the unit where I installed a screen to keep all the insects out. Finally to create a lasting seal I added silicon to all the joints including a piece of plexiglass that I attached to the 45 degree slope roof so that it is set for decades of whatever the outdoor weather presents. I have been operating this fan with this method for about 2 years including during heavy rains for days on end. I have had zero problems, and you will too provided you follow my instructions as a guide. This is the best possible window fan that could ever be created and has the huge advantage of being able to employ a flexible duct to direct the flow of air wherever you want it. Highly recommended as long as you are slightly handy and creative.

I lost the Intelligent programming device

You should message the seller. This is not a question.

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🌿 Elevate your airflow game—quiet, smart, and powerful ventilation for the modern grower.

ROBUST AIRFLOW POWER - 8-inch duct fan pushes up to 807 CFM, ensuring optimal ventilation for growing tents, AV closets, or any enclosed space.
PRECISION CLIMATE CONTROL - Intelligent controller with programmable temperature, humidity, fan speed, timer, and alarms keeps your environment perfectly balanced.
WHISPER QUIET PERFORMANCE - Mixed-flow EC motor with PWM control delivers powerful airflow at a barely-there 39 dBA noise level—work or grow in peace.
ENERGY EFFICIENT DURABLE - Dual ball bearing motor design ensures long-lasting, low-maintenance operation while saving on energy costs.
ALL INCLUSIVE INSTALLATION KIT - Comes with temperature sensor, power adapter, duct clamps, and hardware—ready to set up and optimize your airflow instantly.

The AC Infinity CLOUDLINE PRO T8 is a premium 8-inch inline duct fan designed for precise climate control in grow tents, AV equipment closets, and other enclosed spaces. Featuring an intelligent temperature and humidity controller, ultra-quiet mixed-flow EC motor, and a powerful 807 CFM airflow, it ensures efficient ventilation with minimal noise. The included installation kit and energy-efficient dual ball bearing motor make it a reliable, easy-to-install solution for professional-grade air circulation.

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Manufacturer	AC Infinity
Model Number	CLOUDLINE T8
Package Dimensions	34.5 x 31.7 x 29.1 cm
Color	black
Wattage	110 W
Special Features	Lightweight, Portable, Water Resistant
Power Source	Corded Electric
Voltage	1E+2 Volts (AC)
Noise Level	39 dB
Package Weight	4.15 Kilograms
Batteries Required	No
Batteries Included	No
Brand Name	AC Infinity

AC Infinity CLOUDLINE PRO T8 Quiet 8" Inline Duct Fan with Temperature Humidity Controller Heating and Cooling Fan Promotes Cooling Growing Tent Hydroponics

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