Unicel Replacement Filter Cartridge 35 sf Marquis Spa | 5CH-352

Unicel SKU: UNF5CH352
Unicel Replacement Filter Cartridge 35 sf Marquis Spa | 5CH - 352 - Unicel - img - 1

Unicel Replacement Filter Cartridge 35 sf Marquis Spa | 5CH-352

Unicel SKU: UNF5CH352
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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

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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