Hayward Micro-Clear/Pro-Grid Air Relief Assy (DEX2400CR) paramount A part like this is

A part like this is useful because it provides a larger visible trim surface while restoring the directional output and finish quality of the jet assembly

and filter position changes

and retrofits

This sensor may be needed when troubleshooting heater operation

replacing the lateral assembly can help prevent sand from returning through the pool returns and improve the filter’s ability to collect fine debris

Hayward Micro-Clear/Pro-Grid Air Relief Assy (DEX2400CR) paramount A part like this isThis air relief assembly is made for compatible Hayward Micro Clear and Pro Grid DE filter systems. It helps manage air release from the filter, supporting safer service and more consistent filtration performance. Replace the assembly if the original is cracked, leaking, clogged, or difficult to operate. It is an important maintenance part for keeping DE filter operation dependable and service friendly. Air relief assembly for compatible Micro Clear