Unicel Replacement Filter Cartridge 50 sf Rainbow In-Line | C-4950
Unicel
SKU: C-4950
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
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.
Related Products
