Pentair Purex SM/SMBW Element (DE Grid), Fits 4048, 24 in. Tall, 074924
This is a Curved DE Filter Grid to Fit Purex Sm/SMBW Filters. These Grids Install Into A Manifold Placed At The Bottom of The Tank and Have Thicker Plastic Inserts or Sleeves, Than Other Curved DE Grids. This Grid Fits The 4048 Model (48 Sq Ft), and 8 of These Grids Are Used In The Purex Filter. These Grids Do Not Fit Any Other Make or Model of Filter.