Links:

Hunter PGP Rotary Heads: 
http://www.hunterindustries.com/Products/Rotors/pgp.html

Hunter PGV Control Valves: http://www.hunterindustries.com/Products/Valves/pgvintro.html

Hunter Pro-C Controller: http://www.hunterindustries.com/Products/Controllers/procintro.html

Hunter Rain Clik:
http://www.hunterindustries.com/Products/Sensors/rainclikintro.html

Hunter Solar Sync:
http://www.hunterindustries.com/Products/Sensors/solarsync.html

Hunter Roam: 
http://www.hunterindustries.com/Products/Controllers/icrintro.html

MP Rotators:
 http://www.hunterindustries.com/products/mprotator

Rain Bird 1804 Spray Head: http://www.rainbird.com/landscape/products/sprayBodies/1800.html