Popup sprinklers adjustable metal caphard top 2 inch popup Tough metal Cap for durability. Ideal for yards bordering sidewalks and driveways where frequent contact with tires or lawn equipment are common. For medium size yards, spaced 10 feet to 15 feet apart. 25 360 degree nozzle with flow adjustment screw. Molded, pressureactivated wiper seal prevents leaks and seals the internals from debris. HeavyDuty stainless steel spring assures complete sprinkler retraction. Ratchet feature allows easy spray direction adjustment. Dropin filter to prevent plugging. 1/2 inches MNPT connection.