The CMP generic in-line sight glass is designed for compatible plumbing and filter-system applications where a 2 inch slip inspection point is needed. A sight glass is useful because it gives the user or technician a visual way to check flow or condition inside the line without disassembling the system.This replacement is especially useful when the original sight glass is cracked, cloudy, leaking, or no longer providing a clear view. Matching the correct 2 inch slip configuration helps preserve intended fit and cleaner monitoring access.The 25625-200 is a practical service part when a compatible system needs an in-line sight glass to restore dependable visual inspection support. CMP generic in-line sight glass 2 inch slip configuration Designed for compatible plumbing and filter-system applications Useful when the original sight glass is cracked or cloudy Supports cleaner and more dependable system monitoring