Orbit s garden box drip/soaker watering kit is engineered specifically for efficient drip watering of one garden box of up to 64 square feet based on 12-inch row spacing. The layout configuration is 1/4-inch laser-drilled soaker tubing which carries the water in a fishbone pattern that uniformly waters entirely beneath the plant canopy in a very efficient way. The feeder line from the hose faucet to the garden box is 1/2 drip blank distribution tubing (sold separately). The kit includes: 1- 3/4 FHT x 1/2 Drip-Lock 3-in-1 Filter 1- Pressure Regulator and 1-Drip Tubing Adapter 1/2 Drip-Lock End Cap 5 units 1/2 Drip Tubing Anchor Stake/Staple 24 Pcs. 1/4 Drip Tubing Anchor Stake/Staple 12 Pcs. 1/4 Barb Flag Dripper with Flow Control 1 pc. 50 - 1/4 Laser-Drilled Soaker Tubing 12 pcs. 1/4 Barb Drip Plug and 1 pc. 3/4 MHT to 1/2 MPT Hose-to-Pipe Adapter in case you are using irrigation piping for the water source. Compatible with drip fittings from Orbit Hydro-Rain and other major brands which makes the kit easily expandable. For outdoor irrigation use with cold water only.