Unicel Replacement Filter Cartridge 20 sf Hayward CX200XRE | C-4320
Unicel
SKU: C-4320
Unicel C-4320 Replacement Filter Cartridge – 20 sq ft
The Unicel C-4320 is a high-quality replacement cartridge designed for smaller pool and spa filtration systems. Its pleated media provides efficient debris capture, helping maintain clear and balanced water.
Key Features
- 20 square feet of premium pleated filtration media.
- Durable end caps and rigid core construction for long service life.
- Designed to restore optimal flow and filtration in compatible systems.
Technical Specifications
- Part Number: C-4320
- Media Area: 20 sq ft
- Approx. Dimensions: 4⅝″ diameter × 20″ length
- End Caps: Open top and bottom (approx. 2″ inner diameter openings)
- Application: Replacement filter cartridge for compatible pool and spa systems
Installation & Usage Notes
Turn off the system and relieve all pressure. Remove the existing cartridge and clean the filter housing of debris. Insert the new C-4320 cartridge, ensuring proper seating at both ends. Reassemble the filter, restart the system, and check for normal operating pressure.
Maintenance Tips
- Rinse the cartridge regularly to extend life and maintain strong flow rates.
- Replace the cartridge when the pleats become worn, damaged, or cannot be restored with cleaning.
- Keep spare filter cartridges on hand for quicker servicing and uninterrupted filtration.
Why Choose This Cartridge?
The Unicel C-4320 offers a reliable, direct-fit replacement that restores filtration efficiency, protects pump performance, and helps maintain consistently clear water in small pools and spas.
Questions about returns? View our return policy.
Hours Of Operation:
Monday - Friday: 7:00 am to 5:00 pm Phoenix Time
Saturday: 8:00 am to 2:00 pm
Sunday: Closed
- We do not ship on Saturday or Sunday.
- Orders totaling more than $300 will require signature confirmation upon delivery.
- We process and prepare orders for shipment within 1 business day. Please note that many other pool supply retailers require 3–5 days of handling time before shipping.
- Orders placed after 1:00 pm Phoenix Time may not be eligible for same-day shipment.
- Expedited shipping options are available at checkout.
Return Policy:
- Products that are received damaged will receive a refund in store credit.
- Most products are eligible for return within 30 days of receipt, except where noted below.
- To initiate a return, please complete an RMA form prior to sending your item back.
- Original shipping costs are non-refundable and will be deducted from the return credit.
- Items returned missing accessories or original packaging, or that are not in the same condition as received, may be subject to a restocking fee of up to 100% depending on the condition of the item upon return.
- Some returns will be charged an automatic 15% restocking fee.
- We are unable to issue refunds for items that have been damaged or rendered inoperable due to installer error.
- Please complete the return form to receive your RMA number and return shipping label.
- Chemical products are not eligible for return under any circumstances.
- The Pentair Colorsync 618031 is not eligible for return.
- Pool cleaners are not eligible for return.
- Opened seals and o-rings are not eligible for return.
- Capacitors are not eligible for return.
- Plastic popup tools are not eligible for return.
- Automation components and circuit boards are not eligible for return.
- If a light is returned due to a reported malfunction and is found to be fully operational upon testing, return shipping costs and a restocking fee will be deducted from the refund.
- Orders refused at the time of delivery will be subject to the original shipping costs being deducted from the refund.
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