Buying vent duct and fans

Hi everyone gorgeous people.I had a failure on my auto grow recently.I bought 3 fem seeds Royal gorilla.I Need to know a very low budget solution for inline and out vents for my Little 60x60 cm tent.I plant to grow two max FEM or 1 FEM and One Auto.
The height of the box Is 170 cm and,I don’t Need a filter for the Moment.Any help?
My thoguths were on this kit
https://www.idroponica.it/kit-immissione-aria-10cm~53525.html?gclid=Cj0KCQjwrJOMBhCZARIsAGEd4VHtaKXwC_VaoCoQzd-jMMPtONefojXSBsFgC4XEgVCX8RoVGEizEjcaAmmLEALw_wcB

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I would recommend 2 4 inch infinity vents with speed controllers. 20 bucks a pop on amazon. One vent drawing air in at the bottom and one at the top blowing the spent air out. I would also buy the infinity 25 foot vent hose because it’s super durable and you never know how much of that you will need. 20 bucks as well. If you cant afford clamps black electrical tape will work. Also highly recommend a 5 dollar temp/humidity Guage and hang it in your setup. Good luck, and happy growing

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That kit should work fine. The AC Infinity gear Corey recommended is hard to beat, I have a few AC Infinity fans and they are quiet and work very well. I got a 2x2 grow kit and it came with a cheap 4" fan/filter. Worked perfectly fine in that space. You can just use passive air intake through the vents in the bottom of the tent. A 4" fan should be more than enough to give you negative pressure and cycle the air for you.

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I agree with Cory 4 inch inlines should work well .

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I have a 4” duct fan venting 100w in a 2x2x4 and it works. It’s overkill even. No filter.

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Can’t find It in Amazon italy

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Not to worry, the one you posted should do the job.

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I am cutting her.Too Little,waste of time.She Is preflowering.The mix I made was too strong in Bat guano i Guess.
I ll put a seed in this pot and start by only light mix and a Hand of humus

You can skip the intake vent and just use a cheap 4in duct fan. I’d go with ac infinity over vivosun or ipower.

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