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Spa Frog Floating System
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Top > Filter Cartridges > Manufacturers > Master Spas
Clarathon: Worlds finest hot tub spa filters
Clarathon Premium Ultra Filters

Hot Tub Spa & Pool Filters
Save 50% or More - Free Shipping

  • Clarathon: You cannot buy better quality filters
  • World's largest stock of Long-Life Cartridges
  • Replacements for Unicel, Pleatco & Filbur
  • Save even more with Quantity Discounts!

Filter Assistance   Filter Measuring Tips

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Master Spas
 
Clarathon
Ultra Filter  		 Width Length Bottom Top Click
to Order
FC01254 5/86 3/41 1/2
filter bottom - threaded
filter top - handle		Buy Now
 Unicel4CH-20
 PleatcoPHC 25
Price
Buy 1 at $16.95
Buy 2-3 at $16.50
Buy 4 or more at $15.95
Other part #'sFC9913
Screw-In Whats This?
 
Notes: Regular Pipe Thread
FC23754 15/1613 5/162 1/8
filter bottom - hole		2 1/8
filter top - hole		Buy Now
 UnicelC-4326
 PleatcoPRB 25IN 3
Price
Buy 1 at $14.95
Buy 2-3 at $14.50
Buy 4 or more at $13.95
Other part #'s817-2500, 33521  
Notes: 25 SF, 3 oz. Fabric
FC23854 15/169 1/42 1/8
filter bottom - hole		2 1/8
filter top - hole		Buy Now
 UnicelC-4335
 PleatcoPRB 35IN 3
Price
Buy 1 at $19.95
Buy 2-3 at $19.50
Buy 4 or more at $18.95
Other part #'s817-3501  
Notes: 35 SF
FC0330612 1/41 1/2
filter bottom - threaded
filter top - handle		Buy Now
 Unicel6CH-45
 PleatcoPTL 45W
Price
Buy 1 at $29.95
Buy 2-3 at $28.95
Buy 4 or more at $28.50
Other part #'s
Screw-In Whats This?
 
Notes: Regular Pipe Thread
FC041877 1/42
filter bottom - threaded
filter top - handle		Buy Now
 UnicelUnknown
 PleatcoUnknown
Price
Buy 1 at $25.95
Buy 2-3 at $24.95
Buy 4 or more at $24.50
Other part #'s
Screw-In Whats This?
 
Notes: Regular Pipe Thread, Conventional 1-piece substitute for Eco Pur system
FC100377 1/44 1/16
filter bottom - wide mouth		4 1/16
filter top - wide-mouth		Buy Now
 UnicelC-7330
 PleatcoPMA-30-2002-R
Price
Buy 1 at $16.95
Buy 2-3 at $16.50
Buy 4 or more at $15.95
Other part #'s  
Notes: Eco Pur System outer filter (old style)
FC100787 3/84 1/16
filter bottom - wide mouth		4 1/16
filter top - wide-mouth		Buy Now
 UnicelC-8341
 PleatcoPMA45-2004-R
Price
Buy 1 at $25.95
Buy 2-3 at $24.95
Buy 4 or more at $24.50
Other part #'s  
Notes: Eco Pur System outer filter (2002+)
FC051589 1/42
filter bottom - threaded
filter top - handle		Buy Now
 Unicel8CH-66
 PleatcoUnknown
Price
Buy 1 at $46.95
Buy 2-3 at $44.95
Buy 4 or more at $43.95
Other part #'s
Screw-In Whats This?
 
Notes: Regular Pipe Thread
FC10048 1/217Rectangle
flat filter		no holes
Buy Now
 UnicelUnknown
 PleatcoPMA50-2002-F
Price
Buy 1 at $24.95
Buy 2-3 at $23.95
Buy 4 or more at $23.50
Other part #'sX298600  
Notes: Flat rectangular top filter, 50 SF, 2 1/4
  
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FREE shipping
 
 
ThermoFloat
Spa Blankets
Reduces Evaporation
Saves Energy

 
 
REPLACEMENT PARTS
ILLUSTRATED CATALOG
Huge selection of spa replacement parts

For all makes & models. Common & hard to find Spa Parts
Spas Packs & Controls

Spa Packs

Premium Replacements
Discount Pricing
Spa Pumps   Blowers for hot tubs
Spa Pumps  Blowers
 
ZorbO
ZorbO Oil Scum Absorber

Advanced molecular oil absorption technology for naturally cleaner spas.

ZorbO Scum Absorber
 
 
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