To maintain many years of water spray for springloaded pop-up sprinkler heads， this Orbit spray guard is 5 inches in diameter. This sprinkler system part is ideal for pop-up sprinklers to prevent grass from growing over sprinkler heads， making them less effective. Featuring durable plastic construction， this is a perfect sprinkler tool for sprinkler systems do-it-yourselfers and for people who are doing their own sprinkler systems design and installation. Features and Benefits: Prevents grass from growing over lawn sprinkler heads， Durably built of high-impact plastic to guarantee many years of dependable use， Measures 5 inches in diameter， the hole opening is 1.75" in diameter， For use with pop-up sprinkler heads.

Plastic