I usually stay away from drip systems because of problems I have had with them in the past. I recently tried a system out of PVC and it is pretty nice. Very sturdy and even watering all around. Here is how I did it.
3/4" Schedule 40 PVC
3/4" PVC 90 degree elbows
3/4" pvc 3 way T
3/4" pvc slip to 3/4" threaded
3/4" raindrip inline particle filter
3/4" pvc to female garden hose adapter
1/4" top hat grommet
1/4" drip tubing
Alright, I am using 3x6 tables for this setup. 28 plants per table. 7" square pots with coco/perlite. Here is a little graphic of my setup.
Cut PVC to length
Plan out where you want your drip lines and drill 3/8" holes
squeeze the 1/4" top hat grommets in the holes
Place your particle filter in a good location. Use PVC T, some pvc pipe, slip to threaded pvc adapter to attatch filter and then another adapter to go from the filter to the garden hose.
Dry fit and make sure everything is how you like it. Make sure everything is clean and no pvc shavings are inside tubes. Then glue her up.
Cut 1/4" tube to lenght needed. Try to keep all the lengths similar or the same so flow rate is the same. Use a little bit of dish soap to slide the lines in the grommets.
Mine fits perfectly and I just shove the 1/4" lines directly in the coco with no drippers.
I really like the hose connections because it allows me to flush my plants really easily. just unscrew the hose to the nutrient tank and screw in the garden hose.
If you have any questions just ask.