Water Doctor

Water Doctor 4.5 x 10 Replacement Filter Cartridges – PP / PS / PL / CTO / GAC

Regular price $17.99 CAD
Shipping calculated at checkout.
SKU: PP-10B05M
Big Blue 4.5 x 10 replacement filter cartridgesThese Water Doctor 4.5 x 10 Replacement Filter Cartridges are large-diameter cartridges for compatible Big Blue housings. Choose PP, PS, PL, CTO or...

In stock and ready to ship

Model: PP 4.5 x 10
Water Doctor 4.5 x 10 Big Blue replacement filter cartridge
$17.99 CAD
PP 4.5 x 10

Before you reorder

Match the cartridge, lamp, or filter stage to your existing system before checkout so you do not end up with the wrong replacement part.

Still deciding between replacing a part and solving a broader water problem? Start here first.

Water Diagnosis Check Water Hardness If you are actually solving a new water problem, confirm the diagnosis before reordering parts. Guided Selection Help Me Choose Use the guided path if you are not sure a replacement purchase is the right next move.
Estimated delivery: Aug 10 - Aug 14
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Big Blue 4.5 x 10 replacement filter cartridges

These Water Doctor 4.5 x 10 Replacement Filter Cartridges are large-diameter cartridges for compatible Big Blue housings. Choose PP, PS, PL, CTO or GAC based on the type of filtration needed.

Best for

  • Compatible 4.5 x 10 whole-home or point-of-entry housings
  • Customers replacing sediment or carbon cartridges
  • Homes that need higher flow than slimline cartridges
  • Pre-filtration before other water treatment equipment

Available cartridges

  • PP sediment cartridge
  • PS spun sediment cartridge
  • PL pleated sediment cartridge
  • CTO carbon block cartridge
  • GAC granular activated carbon cartridge

Before ordering

Please confirm your housing size is 4.5 x 10 before purchasing. These cartridges are not the same as 4.5 x 20 or slimline 2.5-inch cartridges.

Maintenance note

Replacement frequency depends on sediment load, water usage, pressure drop and cartridge type.