Call For Best Price 1-888-484-0864

Filbur 6 x 8 1/4", 40 Sf | FC-0359M

FilburManufacturing SKU: FC-0359M

Filbur 6 x 8 1/4", 40 Sf | FC-0359M

FilburManufacturing SKU: FC-0359M
  • Low stock - 7 items left
  • Inventory on the way
$44.99
Instant Savings: $15
/
🕒 Order within -- hrs and -- min  for same-day shipping!
Questions about returns? View our return policy.
Free US Shipping - Shipping Policy

Filbur FC-0359M Antimicrobial Spa Filter Cartridge 40 Sq. Ft.

The Filbur FC-0359M is a replacement spa filter cartridge designed for select hot tub and spa filtration systems that use a threaded-bottom cartridge. This 40 square foot filter features antimicrobial media and is built to help maintain clean, clear water while supporting dependable circulation in compatible spa systems.

Features

  • Genuine Filbur replacement spa filter cartridge
  • Part number: FC-0359M
  • 40 square feet of filter media
  • Antimicrobial filter media
  • Approximate dimensions: 6 inches outside diameter x 8-1/4 inches length
  • Top style: closed with crescent handle
  • Bottom style: 1-1/2 inch SAE threaded connection
  • Common cross references: Unicel 6CH-940RA and Pleatco PWW50P3-M
  • Common replacement for select Waterway 817-0050 applications

Applications

This replacement cartridge is used in compatible spa and hot tub filter systems that require a compact 40 square foot element with a closed-handle top and 1-1/2 inch SAE threaded bottom. Always verify cartridge dimensions, thread style, and manufacturer part number before ordering.

Important Notes

  • Verify exact cartridge dimensions and bottom thread type before purchase
  • Designed for compatible spa and hot tub filter applications only
  • Replace worn or clogged cartridges promptly to help maintain flow and filtration performance
  • Rinse and clean the cartridge regularly according to your spa manufacturer's maintenance schedule

Related Products

Maintenance Tips

  • Rinse the cartridge regularly with clean water to remove trapped debris
  • Deep clean the filter periodically with a cartridge cleaner
  • Inspect the pleats, handle, and threaded bottom for wear or damage during service
  • Keep a spare cartridge available to reduce downtime during cleanings
Questions about returns? View our return policy.

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