Hydroknot automatic sprinkler shut-off valve for 1/2-inch pipe threads – Perigee Direct
Amazon.com : Rain Bird RISER2 PVC Spray Head Riser, 1/2" Male Pipe Thread x 1/2" Male Pipe Thread, 2" Length : Automatic Lawn Sprinkler Heads : Patio, Lawn & Garden
Amazon.com: szzijia Plastic 1/2" Male Thread Nozzle Spray Sprinkler Head for Irrigation Pack of 10 : Patio, Lawn & Garden
RAIN BIRD, 1/2 in MNPT, Brass, Impact Sprinkler Head - 5Z285|25PJDA-C - Grainger
Orbit 1/2 in. x Close PVC Riser 38081 - The Home Depot
Orbit 1/2-in MNPT x 1/2-in FNPT Cut-off Riser in the Flex Pipe Fittings & Risers department at Lowes.com
Pendent Type Fire Sprinkler Head 68°C 1/2" Thread Brass, 5pcs/lot, Free Shipping | eBay
Brass Impulse Sprinkler Head, 1/2 inch
Vivona Hardware & Accessories 1/2 Inch 68℃ Pendent Fire Sprinkler Head Brass for Fire Extinguishing System Protection: Amazon.com: Industrial & Scientific
Upright Fire Sprinkler Head 68°C Spray Up 1/2" Thread Brass 10pcs/lot ,Free Ship | eBay
Orbit 1/2 in. x 12 in. PVC Riser 38091 - The Home Depot
Windfall 4Pcs 1/2 inch Garden Irrigation Sprinkler Adjustable Water Spray Heads Accessory - Walmart.com
Rain Bird 1/2 in. Barbed x 1/2 in. MNPT Irrigation Swing Pipe Elbow SWGE050S - The Home Depot
Viking, Fire Sprinkler Head, 1/2", Pendent, Glass Bulb, Chrome, 12987 - Century Fire Protection