https://danklightco.com/collections/frontpage/products/ez-connect-8-bar-640w-diy-led-grow-light-kit
It's sold out at the moment, but should be in stock soon
https://www.hardwareandtools.com/orbit-irrigation-67000-apollo-8-manifold-uebb-0998.html
I also use the Apollo 8. They are all connected to 3/4 pvc. I've never had an issue. Clean the removable filters every once in a while.
The less bends the better. I personally use ridgid pipe. Fan can either be in the tent or outside. It's really what works best for your space.
I'd probably put the filter in the tent attached to the fan and put it as high as possible
Use 5 way wagos and connect all the positive in one wago, then connect all the negative into a 5 wago. Positive from driver goes to the wago with the rest of the positives. Same thing with negatives.
https://www.amazon.com/dp/B06XH47DC2/ref=cm_sw_r_cp_apa_i_0iP7EbJV7F8BZ
https://www.sprinklersupplies4less.com/drip-irrigation-kits-products/manifolds/orbit-apollo-8-manifold.html
I use these. They have a filter in the top that screws in. None of my lines are equal and the only flow problems I've had is because the filter needed washed out.
Buy a good one the first time. Mitsubishi, Daikin etc. I bought a Mitsubishi 12k with complete install kit for $1400 shipped from hvacdirectonline. I purchased it through ebay, so I could take advantage of PayPal 0% interest for 24 months.