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The multiple application references give this cartridge practical value because accurate cartridge replacement depends on matching the new part to the original filter family
and pump model all affect fit
That helps keep the repair more focused and more cost-effective
Supports cleaner and more dependable valve installation
Pentair TR100/TR140 Tee Diffuser Assembly (156355) thermproducts The multiple application references giveThis genuine Pentair Pool Products tee diffuser assembly, part 156355, helps distribute incoming water inside compatible TR100 and TR140 sand filters. Proper diffusion reduces concentrated flow patterns and supports more even movement across the sand bed for dependable filtration. Use this replacement when the original diffuser is cracked, missing, or damaged during internal service. It is especially useful during a full filter rebuild, sand
