Unicel Replacement Filter Cartridge 25 sf Rainbow In-Line | C-4625
Unicel
SKU: UNFC4625
Unicel C-4625 25 sq ft Replacement Pool/Spa Filter Cartridge
The Unicel C-4625 is a compact replacement filter cartridge designed for spas, hot tubs, and small pool filtration systems. It provides 25 square feet of pleated filtration media to trap debris and help maintain clean, clear water in smaller systems.
Key Features
- 25 sq ft of pleated polyester media for efficient fine-particle filtration.
- Open-end design for simple installation and removal.
- Durable polyester construction designed for repeated cleaning.
- Chemical-resistant materials suitable for chlorinated or bromine spa environments.
- Compact size ideal for spas, hot tubs, and small pool applications.
Specifications
- Brand: Unicel
- Part Number: C-4625
- Filtration Area: 25 square feet
- Outer Diameter: Approx. 4-15/16"
- Length: Approx. 13-5/16"
- Openings: Approx. 2-1/8" inner diameter (top and bottom)
- Media: Pleated polyester
When to Replace
Replace when water clarity decreases, system pressure increases, or the cartridge shows signs of wear such as collapsed pleats or damaged end caps. Regular replacement helps maintain proper circulation and filtration in spa or small pool systems.
Maintenance Tips
- Rinse regularly to remove trapped debris.
- Deep-clean periodically with a cartridge-safe cleaner to remove oils and sunscreen buildup.
- Inspect pleats and ends each time you clean the filter.
- Keep a spare on hand to rotate filters and extend service life.
Hours Of Operation:
Monday - Friday: 8:00 am to 4:00 pm Phoenix Time
Saturday and Sunday: Closed
- Orders costing more than $300 WILL be required to have signature confirmation upon delivery.
- Handling time is typically only 1 day.
- Any item ordered after 1pm Phoenix time, may not ship same-day.
- Call us if you require expedited shipping and we can give you quotes based on your needs.
Return Policy:
- All products, except as noted below, are eligible for return up to 30 days after receipt of item.
- For returns, an RMA form must be filled out HERE or customers can call for additional help.
- Shipping costs will be deducted from all returned items.
- Any item that is missing accessories, original packaging, or is not returned in the same condition that it was received in, may be subject to a re-stocking fee up to 100% based on the condition we receive it in.
- Items broken, damaged, or inoperable due to installer error will not be refunded.
- Fill out the return form or give us a call to obtain an RMA and return shipping label.
- There are no returns on the Pentair Colorsync 618031
- No returns on pool cleaners.
- No returns on opened seals and o-rings.
- No returns on capacitors.
- If a light is returned because it "doesn't work" and it tests fine, the cost to ship and a re-stocking fee will be deducted from the refund.
- All products denied upon arrival at customers house WILL be charged the cost to ship.
- Visa Gift Card Promotions: Gift cards are sent within 14 days of the order. When accepting the Visa Gift card, you agree that if your order is returned or refunded, this amount will be deducted from the refunded amount. All Visa Gift cards are sent via email in an E-Gift Card format and are non refundable.
Related Products
