/challenges-projects/design-challenges/vertical-farming/b/blog/posts/project-ferris-farm-post-7Parts List Here I will go through the complete parts list that will be ordered for the ferris farmand the costs of each part part namecost 8mm pvc tube£3.328mm to 4mm pipe reducer£2.494mm tubing£5.97misting nozzles£3.898 channel relay...en-USTelligent Community 12