Search·Culligan
When you know your system or housing model number, this page lists the replacement cartridges we match to it—compare length, diameter, and micron rating before you order.
Brand
Culligan
Model WH-HD-950-C
Culligan whole-house heavy-duty housing
Series: HD-950
These cartridge numbers are matched to this system model in our reference. Compare length, diameter, and micron rating with the filter you’re removing or your housing specs before ordering.
Best match first
DGD-5005
Pentek dual-gradient sediment cartridge
Replace about every 6 months
All details for this part (notes, compatible models, buying options when listed)
Other parts that also fit this model
Less common crosses — open each for full part details.
Notes & next steps
Search again if you need a different model or part number.
Heavy-duty sump sized for standard 10 x 4.5 in. cartridges; CW5-BB is a common Culligan-branded fit.