Pentair TU44 Star 35 DE Filter Grid | 191321 category_umbrellas-shade Check for smooth operation before

Check for smooth operation before restarting circulation

offering products that ensure long-lasting performance and energy efficiency

Proper return direction improves circulation and helps eliminate dead spots in the pool

It installs inside the skimmer body to capture leaves and debris before water enters the circulation system

Built-In Analog Thermometer: Monitor temperatures with ease

Pentair TU44 Star 35 DE Filter Grid | 191321 category_umbrellas-shade Check for smooth operation beforeWhat This Part Is Used For The Pentair 191321 TU44 Star 35 Grid is used as a replacement DE filter grid in compatible Pentair filter assemblies. It supports proper diatomaceous earth filtration within the grid pack. Why This Part Matters Torn or clogged grids reduce filtration efficiency and can send DE back to the pool. Replacing worn grids restores proper filtration performance. Maintaining intact grids helps prevent cloudy water after backwashing.