Unicel Replacement Filter Cartridge 35 sf Marquis Spa | 5CH-352
Unicel
SKU: 5CH-352
Unicel Replacement Cartridge – 35 sq ft | Model 5CH‑352
The Unicel 5CH‑352 is designed for Marquis® spas and similar hot tub systems, offering approximately 35 sq ft of filtration area in a compact cartridge.
Key Features:
- 35 sq ft of 3 oz spunbonded polyester (Reemay®) media
- Approximately 151 sharp, uniformly spaced pleats maximize flow and debris capture
- Bar-top handle for easy removal and bottom 2″ male-thread (MPT) connection
- Outer diameter ~5.19″; length ~12.5″
- Captures particles down to ~20 microns with reduced pressure buildup
- Compatible with Marquis spas (e.g. 20042, 20092, 370‑0240 series) and related brands
Technical Specifications:
- Model / SKU: 5CH‑352
- Filtration Area: ~35 sq ft
- Pleat Count: ~151
- Dimensions: ~5.19″ OD × ~12.5″ length
- Handle: Bar-top for quick cartridge removal
- Connection: 2″ MPT bottom threaded
- Media Weight: 3 oz polyester
- Filtration Rating: ~20 microns
SKU: 5CH-352
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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