Pentair TR40 Air Tube Strainer [Pre-11/99] (154578Z) pentairamerican which is why correct matching

which is why correct matching matters

cracks or poor fitment in internal plumbing can affect flow and make reassembly unreliable

Match inside diameter

A filter cartridge helps the circulation system remove suspended debris so the water stays cleaner through normal use

Pentair TR40 Air Tube Strainer [Pre-11/99] (154578Z) pentairamerican which is why correct matchingThis genuine Pentair Pool Products air tube strainer, part 154578Z, is intended for pre 11 99 TR40 sand filter applications. The strainer helps protect the air tube area from debris that could interfere with air relief or internal filter function. Because this is specified for an earlier production range, confirm the date and model before ordering. Replacing the correct strainer during a filter service can help maintain the intended air handling path