Water Doctor 4.5 x 20 Replacement Filter Cartridges – PP / PS / PL / CTO / GAC

Name: Water Doctor 4.5 x 20 Replacement Filter Cartridges – PP / PS / PL / CTO / GAC
Brand: Water Doctor
SKU: PP-20B05M-1
Price: 29.99 CAD
Availability: InStock

$29.99 CAD

Shipping calculated at checkout.

SKU: PP-20B05M-1

Big Blue 4.5 x 20 replacement filter cartridgesThese Water Doctor 4.5 x 20 Replacement Filter Cartridges are large-format cartridges for compatible Big Blue housings and whole-home filtration setups. Choose PP,...

In stock and ready to ship

Model: PP 4.5 x 20

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.

Verify Replacement Match Book System Check

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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Description

Delivery, Installation & Warranty

Big Blue 4.5 x 20 replacement filter cartridges

These Water Doctor 4.5 x 20 Replacement Filter Cartridges are large-format cartridges for compatible Big Blue housings and whole-home filtration setups. Choose PP, PL, PS, CTO or GAC depending on your filtration need and existing housing.

Best for

Whole-home pre-filter housings using 4.5 x 20 cartridges
Customers replacing sediment or carbon cartridges
Homes with higher flow needs than slimline housings
Pre-filtration before softeners, conditioners or UV systems

Available cartridges

PP melt-blown sediment cartridge
PL pleated sediment cartridge
PS spun sediment cartridge
CTO carbon block cartridge
GAC granular activated carbon cartridge

Before ordering

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

Maintenance note

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

Product prices do not include installation unless the item is specifically sold as an installation service. Products purchased without installation can be delivered separately. When installation is purchased, delivery and installation are scheduled together and are typically completed within 1 week. Accessories and replacement parts are available for shipping or store pickup only. View warranty details.