• Culligan® DGD Series Dual-Gradient Density Cartridges
  • Manufactured from pure 100% polypropylene
  • Designed for purity and chemical compatibility
  • Spun fibers form a true gradient density from outer to inner surfaces
DGD Series cartridges are manufactured from 100% pure polypropylene and are sized for use in our Big Blue® filter housings.

DGD 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.
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Item Name

Maximum Dimensions

Nominal Pre-Filter Micron Rating

Nominal Post-Filter Micron Rating

Temperature

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N/A Culligan® DGD Series 25 Micron (µ) Nominal Pre-Filter Rating Dual-Gradient Density Cartridge N/A 4-1/2 x 10 in114 x 254 mm N/A 25 µm N/A 1 µm N/A 40 to 145 ºF4.4 to 62.8 ºC Request Quote
N/A Culligan® DGD Series 50 Micron (µ) Nominal Pre-Filter Rating Dual-Gradient Density Cartridge N/A 4-1/2 x 10 in114 x 254 mm N/A 50 µm N/A 5 µm N/A 40 to 145 ºF4.4 to 62.8 ºC Request Quote
N/A Culligan® DGD Series 75 Micron (µ) Nominal Pre-Filter Rating Dual-Gradient Density Cartridge N/A 4-1/2 x 10 in114 x 254 mm N/A 75 µm N/A 25 µm N/A 40 to 145 ºF4.4 to 62.8 ºC Request Quote
N/A Culligan® DGD Series 25 Micron (µ) Nominal Pre-Filter Rating Dual-Gradient Density Cartridge N/A 4-1/2 x 20 in114 x 508 mm N/A 25 µm N/A 1 µm N/A 40 to 145 ºF4.4 to 62.8 ºC Request Quote
N/A Culligan® DGD Series 50 Micron (µ) Nominal Pre-Filter Rating Dual-Gradient Density Cartridge N/A 4-1/2 x 20 in114 x 508 mm N/A 50 µm N/A 5 µm N/A 40 to 145 ºF4.4 to 62.8 ºC Request Quote
N/A Culligan® DGD Series 75 Micron (µ) Nominal Pre-Filter Rating Dual-Gradient Density Cartridge N/A 4-1/2 x 20 in114 x 508 mm N/A 75 µm N/A 25 µm N/A 40 to 145 ºF4.4 to 62.8 ºC Request Quote
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