Here’s a step by step pictorial on installing drip irrigation indoors.

store bought drip irrigation parts, water filter, timer and washing machine connection stuff

timer and filter installed next to washing machine drip line travels through wall to living wall area

Regular drip irrigation fittings travel mostly hidden in and behind Woolly Wallys. 2 adjustable drip heads per individual Pocket.

Finished Living Dining Room Wall w/internal drip irrigation
List of Parts needed for Drip Irrigation System: In Order of Water Flow Starting at Cold Water Spicket in Laundry Room.
1. Hose Bib Splitter (Attach to Cold Water Supply Spicket to Washing Machine)
2. S.S. Washing Machine Connector Hose
3. Hose Coupling Double sided 3/4″ male hose threads
4. Irrigation Dripper Pressure Regulator (3/4″ Female on input side 3/4″ Male on out-put side)
5. Orbit Digital Hose Faucet Timer (use steel hanger straps to attach to wall)
6. 3/4″ Hose to 1/4″ Irrigation Line Adapter (3/4″ FHT x 1/4″ Compression)
7. 1/4″ Irrigation Line
8. In Line Water Filter that reduces Scale Build up (use steel hanger straps to attach to wall)
9. 1/4″ Line to Wall Pockets
10. add various 1/4″ Tee’s and Adjustable Drippers as needed (1 Dripper per Plant).
Adjust drippers as needed being careful not to overwater.