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SDC-45-2001 Hydronix Whole House Replacement Sediment Filter Cartridge (6-Pack)


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Fits most Big Blue housings that accept 20-inch x 4.5-inch water filter cartridges

Hydronix SDC-45-2001 Whole House Sediment Filter Cartridge (6-Pack)

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The Hydronix SDC-45-2001 sediment water filter, available here in a 6-pack, is a 100% pure polypropylene cartridge. It is a perfect pre-filter for ultra-fine filtration--reducing sand, silt, rust, and scale. It is a compatible replacement cartridge for many brands of 20-inch Big Blue sediment filters.

  • 1 micron ultra-fine sediment filter for cleaner water
  • Graded density for higher dirt holding capacity
  • For optimum dirt-holding, replace about every 2-3 months
  • Materials ANSI/NSF Standard 42 tested and certified


Package Qty 6
Used In Brands Hydronix, Liquatec, Pentek, Watts
Manufacturer's Id SDC-45-2001
UPC 635510408987
Advertised Size (in) 20 x 4-1/2
Media Spun Wound Polypropylene
Primary Filter Media Polypropylene
Filter Life (months) 36 months
Micron Rating (Nominal) 1
Operating Temperature (°F) 40 - 145
Operating Temperature (°C) 4.4 - 62.8
Flow Rate (gpm) 20
Flow Rate (lpm) 75.71
Additional Information Recommended Replaceable Pressure Drop: 21.75 PSI (1.5 kg/cm2), Maximum Pressure Drop: 69 F (20 C) 46.4 psi (3.2 kg/cm2), Initial Pressure Change @ Flow: 1 psi at 20 gpm


The HYDRONIX_SDC_45_2001_6_PACK is comparable with the following part numbers

155360-43 P1-20BB
DGD-2501-20 SDC-45-2001
FPMB-BB1-20 SDF-45-2001