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Pool Cartridge Deals

Onyx Pool Filter Cartridges

 
  
 Step 2: Locate your model number in the table(s) below.
     Your Onyx model number is located under the "Filter Type" section of the table(s) below.
     If you are replacing a Unicel or Filbur cartridge, locate your Unicel or Filbur cartridge model number
        under the "Cross-Reference" section of the following table(s).
 
Step 3: Verify with Measurements
     Once you have found the model number in the table(s) below, verify you have the correct pool
        cartridge by checking your measurements.
     Measure the cartridge(s) you want to replace and check those measurements against the dimensions
        listed under the "Cartridge Specifications" section of the table(s) below.
     If you are unsure of how to measure your pool filter cartridge, Click Here.
 
Step 4: Continue to Product Details
     Once you have found the replacement cartridge you need, click on the corresponding "More Info"
        link for that cartridge.
     You will be directed to the Product Details page. From there you will continue on to make your
        purchase. That's it! That's all there is to it. If you have any questions, feel free to contact us.
 
Onyx Pools
Filter Type
Cartridge Specifications (in.)
Cross-Reference
 
Model #
SqFt
Diameter
Length
Top
Bottom
Unicel
Filbur
Item #
 
ELE-25-1
(Top Load)
25
5
14 9/16
2 1/8
2 1/8
C-4308
FC6305
POX25IN
Pressurized
50
6 1/8
12
1 15/16
1 15/16
C-6405
FC3063
POX50
Pressurized
75
6 1/8
17 3/4
1 15/16
1 15/16
C-6407
FC3064
POX75
ELE-100
100
7 1/4
21 1/2
3 Raised
3 Raised
C-7302
FC6320
POX100
ELE-150
135
7 1/4
28 5/8
2 15/16
2 15/16
n/a
n/a
POX135