Rain Bird 1804 - Rainbird 1800 Series Plastic 4" Pop-Up — Sprinkler Supply Store
Rain Bird 1804 - 4 in. 1800 Series Pop-up Spray Head - No Nozzle — Big Frog Supply
rain bird 1800 series popup sprinklers 10 pack nozzles not included rainbird 4" 1804 model pop up irrigation sprinkler for lawn, yard, garden, planter beds - Newegg.com
Rain Bird 1804-VAN Pop Up Sprinkler with Adjustable Pattern Nozzle, 4" — LIfe and Home
1800 Series Spray Heads | Rain Bird
1800 Series Spray Head Tech Specs - Rain Bird
1804 - 4 in. 1800 Series Pop-up Spray Head - No Nozzle
Rain Bird 1800 Professional 8-ft-15-ft Pop-up Spray Head Sprinkler in the Underground Sprinklers department at Lowes.com