This will make setting up your system so much easier. 

It comes with:

25 Brass Fittings

35 Ft total, of 3 sizes of Hose

2 Ball Valves

1 Pressure Gauge

1 Roll Pipe Tape

It can be hard to figure out what you all need to plumb your system. Pump, Filter kits, & Adapter(BTS) are sold  separate.  Partially assembled so it is easier for you to set it up, & comes with a diagram. This is the way Greg plumbed his system. You should have everything you need for plumbing with this kit.