I used 1/2 in. sched 40 pvc with 5 tees one tee for the piece from fountain pump to line. and four for the drip heads Cut pieces of 1/2 pcv to connect the tees...all pvc and fountain pump is from LOWES...1/4 in black tubing and drip heads and micro sprayers from Walmart...cut pieces of 1/4 in tubing about 1 inch to connect the micro sprayers to the drip heads...also used sched 40 threaded adapters to connect the tees to the drip heads
1/2 in tees=40cents
5 ft 1/2 sched 40= 1.49
drip heads=4x 6.99
1/4 tubing=4.00
two threaded sched 40 1/2in end caps=20 cents each
370 gallons per hour fountain pump=49.99
sterelite 30 gallon container with lid= 8.99 from lowes
pretty cheap compared to some aero systems out there!!!