Material: copper and polypropylene (PP) construction for durability and a long service life. Direct replacement: directly replaces an old or broken pool filter pressure gauge. Accuracy and ease of use: the dial gauge makes it easy to monitor your pool filter pressure; an adjustable pointer provides precise readings to help maintain optimal filtration. Performance and compatibility: designed to operate reliably in pool filtration systems and withstand water and chemical exposure. Use scenarios: - Routine pool maintenance: monitor filter pressure to determine when to backwash or clean the filter, keeping performance steady. - After replacing filter media or seals: verify that system pressure returns to normal levels. - Seasonal startup or shutdown: confirm gauge functionality and establish maintenance schedules for efficient filtration. Notes: maintains a professional, clear, and trustworthy tone with customer-focused language.