Pentair 191321 TU44 Star 35 Grid

What 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.

Key Features and Specifications

• Pentair manufacturer part number: 191321
• TU44 Star 35 grid
• For compatible Pentair DE filters
• Replacement filter grid component
• Supports DE filtration system

Installation and Fitment Guidance
Disassemble filter tank carefully and inspect entire grid Assembly during replacement. Check manifold and standpipe for cracks before reAssembly. Confirm by manufacturer part number before ordering.

About the Pentair Brand
Pentair manufactures DE filtration systems for residential and commercial pools. Their replacement grids are designed to match original filter assemblies. Pentair components support efficient water clarity management.

Common Service Context
Filter grids are typically replaced after tearing or heavy scale buildup. They are often serviced during seasonal filter overhauls.