Product Overview

The Hayward Star-Clear Plus 120 sq ft Cartridge Filter W3C12002 is a high-performance single-element cartridge filter built for dependable in-ground pool and pool/spa filtration. Designed with a durable, corrosion-resistant PermaGlass XL filter tank and an extra-large cartridge element, this filter delivers strong water flow, efficient debris capture, and easy maintenance.

Unlike sand or DE filters, the W3C12002 does not require backwashing, helping conserve water while simplifying routine pool care. When cleaning is needed, the cartridge can be removed, rinsed, and reinstalled without complicated disassembly.

Ideal For

Residential in-ground swimming pools
In-ground pool and spa combinations
Pool owners upgrading from smaller cartridge filters
Systems requiring 120 sq. ft. cartridge filtration
Applications needing 2" plumbing compatibility
Replacement for Hayward C12002 / W3C12002 style filters

Key Features

120 sq. ft. Cartridge Filtration Area

The large 120 square foot cartridge element provides excellent dirt, debris, and fine-particle capture for clear pool water.

Extra-Large Single Cartridge Element

The single-element design features a precision-engineered core and durable end caps to support maximum flow and filtration efficiency.

No Backwashing Required

Cartridge filtration eliminates the need for backwashing, helping save water and reduce routine maintenance.

Durable PermaGlass XL Tank

The filter tank is made from high-strength, glass-reinforced copolymer material for corrosion-free performance in demanding pool equipment environments.

Single Locking Knob Closure

The single-knob design securely fastens the filter head to the tank without clamps, bolts, or complicated hardware.

Rotatable Filter Head

The filter head rotates for convenient access to the cartridge, pressure gauge, and manual air relief valve.

High-Flow Plumbing Versatility

The filter supports 1-1/2" or 2" FIP connections, or 2" SKT connections, making it adaptable for a range of pool plumbing setups.

Built-In Drain Port

The 1/2" FIP drain allows fast draining and also accepts a standard spigot valve.

Benefits

The Hayward W3C12002 is a strong choice for pool owners who want high-capacity cartridge filtration with easier maintenance than traditional backwash systems. Its large 120 sq. ft. cartridge element helps extend time between cleanings, while the no-backwash design can help reduce water waste.

With a durable PermaGlass XL body, 120 GPM listed flow rate, and flexible plumbing connections, this filter is built for dependable everyday pool filtration when properly matched with the pump and pool system.

Specifications

What’s Included

Hayward W3C12002 Star-Clear Plus cartridge filter tank
120 sq. ft. cartridge element
Filter head with single locking knob
Pressure gauge
Manual air relief valve
Drain port

Customer-Facing Q&A

Does this filter include the cartridge?

Yes. The Hayward W3C12002 includes the 120 sq. ft. cartridge element.

What replacement cartridge does this filter use?

This filter commonly uses the Hayward CX1200RE replacement cartridge.

Does this filter need backwashing?

No. Cartridge filters do not require backwashing. Remove and rinse the cartridge when it needs cleaning.

Is this a sand filter?

No. This is a cartridge filter. It does not use sand or DE powder.

What is the flow rate?

The listed flow rate is 120 GPM.

What plumbing size does this filter use?

The W3C12002 supports 1-1/2" or 2" FIP connections, or 2" SKT connections.

Is this for above-ground or in-ground pools?

This model is commonly used for in-ground pool and pool/spa applications.

Does it include a pressure gauge?

Yes. A pressure gauge is included.