Unicel Replacement Filter Cartridge 50 sf Rainbow In-Line | C-4950
Unicel
SKU: UNFC4950
Unicel Replacement Cartridge – 50 sq ft | Model C‑4950
The Unicel C‑4950 is a high-capacity inline spa filter cartridge offering approximately 50 sq ft of pleated media. Designed for Rainbow Dynamic Series, Waterway in‑line systems, and fits many spa brands including Cal, Artesian, Bullfrog, Sundance, Jacuzzi, Maax, and more.
Key Features:
- 50 sq ft of 3 oz Reemay® spunbonded polyester media
- Approximately 212 pleats for enhanced dirt-holding and flow
- Dimensions: 4 15/16″ outer diameter × 13 5/16″ length
- Top and bottom open end caps with 2 1/8″ inner diameter
- Advanced free-flow core design improves circulation and cleaning efficiency
- Compatible cross-references: Pleatco PRB50‑IN, Filbur FC‑2390, plus many OEM models including Unicel C‑4326, C‑4625, C‑4637, etc.
Technical Specifications:
- Model / SKU: C‑4950
- Filtration Area: ~50 sq ft
- Pleat Count: ~212
- Media Weight: 3 oz/yard polyester
- Dimensions: OD 4 15/16″ × Length 13 5/16″
- End Caps: 2 1/8″ open inner diameter top & bottom
- Micron Rating: ~20 µm for fine particle capture
Maintenance Tip: Gently rinse the cartridge with a garden hose—avoid pressure washers. Replace every 6–12 months or sooner if pressure increases or the media shows wear or discoloration.
SKU: C-4950
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.
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