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Clarathon Premium Ultra Filters
Clarathon: Worlds finest hot tub spa filters
Clarathon Premium Ultra Filters
Hot Tub Spa & Pool Filters
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  • Clarathon: You cannot buy better quality filters
  • World's largest stock of Long-Life Cartridges
  • Replacements for Unicel, Pleatco, Filbur, Aladdin
  • $2 OFF Filter Cleaner with purchase! Whats This?Info
  • Save even more with Quantity Discounts!
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Filters Listed in Ascending Order by Diameter, then Length

LA Spas
 
 
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FC0131
ThreadedPrice: $17.95
Diameter: 4-5/8" Whats This?Info
Length: 9-3/4" Whats This?Info
Top: Handle
Bottom: 1-1/2" Fine Thread Whats This?Info
Surface Area: 25 SF Whats This?Info
Premium replacement for:
Unicel: 4CH-24 Whats This?Info
Pleatco: PGS25P4 Whats This?Info
Filbur: FC-0131 Whats This?Info
Aladdin: 12519
Other: FC0187, FC9914
Quantity Discounts:
Buy 2-3: $17.00 ea.
Buy 4-5: $16.10 ea.
Buy 6 +: $15.38 ea.

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Notes: Also available in Antimicrobial version: FC0131M (below).

 
FC0131M
Antimicrobial Threaded Whats This?InfoPrice: $22.95
Diameter: 4-5/8" Whats This?Info
Length: 9-3/4" Whats This?Info
Top: Handle
Bottom: 1-1/2" Fine Thread Whats This?Info
Surface Area: 25 SF Whats This?Info
Premium replacement for:
Unicel: 4CH-24RA Whats This?Info
Pleatco: PGS25P4-M Whats This?Info
Filbur: FC-0131M Whats This?Info
Quantity Discounts:
Buy 2-3: $21.73 ea.
Buy 4-5: $20.59 ea.
Buy 6 +: $19.67 ea.

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FC0151
ThreadedPrice: $24.95
Diameter: 4-5/8" Whats This?Info
Length: 14-3/4" Whats This?Info
Top: Handle
Bottom: 1-1/2" Fine Thread Whats This?Info
Surface Area: 50 SF Whats This?Info
Premium replacement for:
Unicel: 4CH-50 Whats This?Info
Pleatco: PTL50P4-4 Whats This?Info
Filbur: FC-0151 Whats This?Info
Aladdin: 15016
Other: 1561-05
Quantity Discounts:
Buy 2-3: $23.63 ea.
Buy 4-5: $22.38 ea.
Buy 6 +: $21.38 ea.

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FC0303
ThreadedPrice: $21.95
Diameter: 5-1/16" Whats This?Info
Length: 8-1/4" Whats This?Info
Top: Handle
Bottom: 3-1/2" Fine Thread
Surface Area: 30 SF Whats This?Info
Premium replacement for:
Unicel: 5CH-203 Whats This?Info
Pleatco: PLAS35 Whats This?Info
Filbur: FC-0303 Whats This?Info
Other: FD-51107, FD-51104-25
Quantity Discounts:
Buy 2-3: $20.79 ea.
Buy 4-5: $19.69 ea.
Buy 6 +: $18.81 ea.

Buy Now
Notes: Upgrade - replaces LA Spas Aqua Klean bag filter. Remove old filter bag & unscrew frame before installing cartridge. Also available in Antimicrobial version: FC0303M (below).

 
FC0303M
Antimicrobial Threaded Whats This?InfoPrice: $26.95
Diameter: 5-1/16" Whats This?Info
Length: 8-1/4" Whats This?Info
Top: Handle
Bottom: 3-1/2" Fine Thread Whats This?Info
Surface Area: 30 SF Whats This?Info
Premium replacement for:
Unicel: 5CH-203RA Whats This?Info
Pleatco: PLAS35-M Whats This?Info
Filbur: FC-0303M Whats This?Info
Other: FD-51107, FD-51104-25
Quantity Discounts:
Buy 2-3: $25.52 ea.
Buy 4-5: $24.17 ea.
Buy 6 +: $23.10 ea.

Buy Now
Notes: Antimicrobial Upgrade - replaces LA Spas Aqua Klean bag filter. Remove old filter bag & unscrew frame before installing cartridge.

 
FC3091
Price: $18.95
Diameter: 5-3/16" Whats This?Info
Length: 11-7/8" Whats This?Info
Top: Closed Loop Pull
Bottom: 1-15/16" Open Whats This?Info
Surface Area: 22 SF Whats This?Info
Premium replacement for:
Unicel: C-5621 Whats This?Info
Pleatco: PTL25H-P4-4 Whats This?Info
Filbur: FC-3091 Whats This?Info
Aladdin: 12202
Quantity Discounts:
Buy 2-3: $17.95 ea.
Buy 4-5: $17.00 ea.
Buy 6 +: $16.24 ea.

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FC0301
ThreadedPrice: $21.95
Diameter: 5-5/8" Whats This?Info
Length: 8-1/2" Whats This?Info
Top: Handle
Bottom: 1-1/2" Fine Thread Whats This?Info
Surface Area: 25 SF Whats This?Info
Premium replacement for:
Filbur: FC-0301 Whats This?Info
Quantity Discounts:
Buy 2-3: $20.79 ea.
Buy 4-5: $19.69 ea.
Buy 6 +: $18.81 ea.

Buy Now

 
FC0302
ThreadedPrice: $22.95
Diameter: 5-5/8" Whats This?Info
Length: 9" Whats This?Info
Top: Handle
Bottom: 1-1/2" Fine Thread Whats This?Info
Surface Area: 25 SF Whats This?Info
Premium replacement for:
Filbur: FC-0302 Whats This?Info
Quantity Discounts:
Buy 2-3: $21.73 ea.
Buy 4-5: $20.59 ea.
Buy 6 +: $19.67 ea.

Buy Now

 
FC0315
ThreadedPrice: $23.95
Diameter: 6" Whats This?Info
Length: 9" Whats This?Info
Top: Handle
Bottom: 1-1/2" Fine Thread Whats This?Info
Surface Area: 50 SF Whats This?Info
Premium replacement for:
Unicel: 6CH-47 Whats This?Info
Pleatco: PTL47W-P4 Whats This?Info
Filbur: FC-0315 Whats This?Info
Aladdin: 14701
Quantity Discounts:
Buy 2-3: $22.68 ea.
Buy 4-5: $21.48 ea.
Buy 6 +: $20.53 ea.

Buy Now
Notes: Also available in Antimicrobial version: FC0315M (below).

 
FC0315M
Antimicrobial Threaded Whats This?InfoPrice: $26.95
Diameter: 6" Whats This?Info
Length: 9" Whats This?Info
Top: Handle
Bottom: 1-1/2" Fine Thread Whats This?Info
Surface Area: 50 SF Whats This?Info
Premium replacement for:
Unicel: 6CH-47RA Whats This?Info
Pleatco: PTL47W-P4-M Whats This?Info
Filbur: FC-0315M Whats This?Info
Quantity Discounts:
Buy 2-3: $25.52 ea.
Buy 4-5: $24.17 ea.
Buy 6 +: $23.10 ea.

Buy Now

 
FC0340
ThreadedPrice: $27.95
Diameter: 6" Whats This?Info
Length: 13-5/16" Whats This?Info
Top: Handle
Bottom: 1-1/2" Fine Thread Whats This?Info
Surface Area: 50 SF Whats This?Info
Premium replacement for:
Unicel: 6CH-50 Whats This?Info
Pleatco: PTL50W-SV-P4-4 Whats This?Info
Filbur: FC-0340 Whats This?Info
Aladdin: 15017
Quantity Discounts:
Buy 2-3: $26.47 ea.
Buy 4-5: $25.07 ea.
Buy 6 +: $23.95 ea.

Buy Now

 
FC3088
Price: $24.95
Diameter: 6" Whats This?Info
Length: 14-3/4" Whats This?Info
Top: Handle
Bottom: 1-7/8" Open Slotted Whats This?Info
Surface Area: 35 SF Whats This?Info
Premium replacement for:
Unicel: C-6603 Whats This?Info
Pleatco: PTL50W-SH Whats This?Info
Filbur: FC-3088 Whats This?Info
Aladdin: 13506
Quantity Discounts:
Buy 2-3: $23.63 ea.
Buy 4-5: $22.38 ea.
Buy 6 +: $21.38 ea.

Buy Now

 
FC3089
ThreadedPrice: $31.95
Diameter: 6" Whats This?Info
Length: 14-3/4" Whats This?Info
Top: Handle
Bottom: 1-1/2" Fine Thread Whats This?Info
Surface Area: 50 SF Whats This?Info
Premium replacement for:
Unicel: C-6475 Whats This?Info
Pleatco: PTL50W-P4 Whats This?Info
Filbur: FC-3089 Whats This?Info
Aladdin: 17512
Quantity Discounts:
Buy 2-3: $30.26 ea.
Buy 4-5: $28.66 ea.
Buy 6 +: $27.38 ea.

Buy Now

 
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