Guardian Spa Filter - 4CH-21 - Replacement Filter 20 sq/ ft
4CH-21 Replacement Filter 20 sq ft
Guardian Pool Filter Replaces Unicel 4CH-21, Pleatco PTL18P4-4, Filbur FC-0121 Filter Cartridge for Swimming Pool and Spa
Keep your water sparkling clean with top of the line pool/hot tub filters. This cloth filter traps micro particles ensuring sparkling clean water.
4CH-21 In-line Cartridge - Used by many manufactures from Alcove, Altera, DM Industies, Dream Maker Spas, Maax Spas of AZ, Pagent Spas, Saratoga Spas, Vita Spas and many more!
With Advanced Free Flow Core for better cleaning
Will work with other manufactures filters including: 20245-238, SD-00845, SD-00821, SD-00838, 17-175-1025, PTL18P, PTL 18, PVT-25N, PA17, PA13
• Outside Diameter: 4 5/8"
• Length: 8"
• Media Weight - 3 oz.
• SQ FT Media - 20'
• Unicel - 4CH-21
• Filbur - FC-0121 FC0121
• Pleatco - PTL18P4-4
NOTE: Filters should be replaced once every 6 months to ensure max flow through rate.
This unit is brand new and is for the 20 sq ft filter cartridge. Filter housing canister is sold separately
We accept PayPal and Credit card (Visa or Mastercard). If you are ordering multiple units and part, please call us to see if we can save you shipping cost for multiple item orders.
No taxes to US residence!
Please allow 4-6 days for shipping via UPS Ground to USA or Canada. You will be emailed a tracking number to the email address you provide us. Expedited Shipping services are available!
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