Pentair Big Variable Desnity Filter Cartridge 25-1 Micron (10" x 4½")

Pentek SKU: 10BDGD-PA

$40.00 $52.00 Save $12

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Dual Gradient - DGD-2501 10" Polyspun Filter - 3 Times the dirt holding Capacity

PDGD Series cartridges are designed for purity and will not impart taste, odor or color to the liquid being filtered. Additionally, the polypropylene construction provides superior chemical resistance and is not prone to bacterial attack.

The DGD Series advanced design combines selective final filtration with appropriate pre-filtration to achieve up to three times the dirt-holding capacity of similar size sediment cartridges and even greater capacity than standard spun or string-wound cartridges. This performance enhancement is achieved by combining two separate gradient layers in one filter. DGD Series cartridges are manufactured from 100% pure polypropylene and are sized for use in our Big Blue® filter housings.

  • Industry standard in high-capacity sediment filtration.
  • Ideal high-flow pre-filter- Filter density increases toward the cartridge's center (Dual-gradient density technology), resulting in superior particulate reduction and loading capacity
  • Big Blue 4.5" diameter by 10" length- Designed for purity and chemical compatibility. 


  • Low-Pressure Drop
  • Graded 25 micron to 1 micron
  • <1 psi @ 36 LPM
  • Size: 10" x 4.5" "


  • Sediment
  • Silt
  • Fines
  • Some colour
  • Some organics


  • Suitable for tank water
  • Removes/reduces Sediment, Silt, Fines, Some colour, Some organics 1 micron
  • 1 micron helps with Giardia 

Customer Reviews

Based on 2 reviews
Brian Geoghegan

Pentair (DGD-2501) Variable Density 10"x4.5" Water Filter


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