Unicel's 2001 Replacement Guide
5000 Series

Outside Diameter Length Top/Bottom Identification Unicel P/N
5" 8" Top:  Closed
Bot: 2-1/4"i.d.
8 sq. ft. Pelican Rec C-5301

5"

 

5"

 

5"

13-5/16"

 

13-5/16"

 

13-5/16"

2-3/8" i.d.

 

2-3/8" i.d.

 

2-3/8" i.d.

15 sq. ft. Jacuzzi
CFR-15 (in-line)


25 sq. ft. Jacuzzi
CFR-25 (in-line)


37 sq. ft. Jacuzzi
CFR-37 (in-line)

C-5615
(no core)


C-5625
(no core)


C-5635
(no core)
(upgrade)

5" Various Top: Molded cone handle
Bot: 1-1/2" male threaded fitting or SAE fitting.
Unicel manufactures a complete line of top load cartridges which feature the 1-1/2" male threaded fitting or SAE fitting. See the "CH" series listings.
5-1/8" 10-1/4" 1-15/16" i.d. 30 sq. ft. Watkins Mfg.
(Model FH/IH (220 volt))
C-5431
(3 oz.)
5-3/16" 9" Top: 1-1/16"
Bot: 1-5/8" i.d.
16 sq. ft. Premier C-5616
5-3/16" 9" 1-5/8" i.d. 25 sq. ft. Premier C-5426
5-3/16" 11-7/8" 1-5/8" i.d. 25 sq. ft. Premier C-5427
5-3/16" 11-7/8" Top: Closed
Bot: 1-15/16" i.d.
22 sq. ft. Advanced Spa (original) C-5621
Note: The original had a white knob handle. The replacement has a 5" solid top with string.
5-3/16" 11-7/8" Top: 1-1/16"
Bot: 1-5/8" i.d.
22 sq. ft. Premier (old) (P/N: 27-077) C-5622 (6 oz.)
5-3/16" 11-7/8" Top: 1-1/16"
Bot: 1-5/8" i.d.
25 sq. ft. Marquis Spas (old) C-5626 (4 oz.)
5-3/16" 11-7/8" Top: Closed
Bot: 1-5/8" i.d.
35 sq. ft. Marquis Spas (old style) C-5423 (3 oz.)
Note: The original was 25 sq. ft. (115 pleats). This replacement has been upgraded to 35 sq. ft.
5-3/16" 14-1/8" Top: Closed
Bot: 1-5/8" i.d.
50 sq. ft. Marquis Spas (old style) C-5346
(3 oz.)
5-3/16" 12-1/2"

Top: Closed
Bot: 2" MPT

50 sq. ft. Marquis Spas (new style)

C-5303 (3 oz.)

5-3/16" 14-3/4" Top: 1-1/16"
Bot: 1-5/8" i.d.
27 sq. ft. Marlin Spa
Romanesque
Waterworks
C-5627
(6 oz.)
5-3/16" 19-5/8" Top: 1-1/16"
Bot: 1-5/8" i.d.
36 sq. ft. Marquis Spas C-5636
(6 oz.)
Note: The C-5636 has been discontinued. Use the C-5637.
5-3/16" 19-5/8" Top: 1-1/16"
Bot: 1-5/8" i.d.
40 sq. ft.Marquis
Spas (old)
C-5637
(4 oz.)
5-3/16" 19-5/8" Top: Closed
Bot: 1-5/8" i.d.
60 sq. ft. Marquis
Spas (new)
C-5434
(3 oz.)
Note: The original was 40 sq. ft. (109 pleats). This replacement has been upgraded to 60 sq. ft.
5-3/16" 23-1/4" 1-5/8" i.d. 75 sq. ft. Premier
Maxi-Sweep
C-5371
(3 oz.)
5-5/16" 13-9/16" 2" i.d. 23 sq. ft. Pac-Fab C-5623
5-1/2" 11-7/8" Top: 1-15/16" w/ 12 concentric holes
Bot: 2-7/8" i.d.
25 sq. ft. ozone cartridge C-5402
5-1/2" 17" Top: 1-15/16" w/ 12 concentric holes
Bot: 2-7/8" i.d.
40 sq. ft. ozone cartridge
(Evolution)
C-5404

5-11/16"

 

5-11/16"

10-3/8"

 

10-3/8"

Top: Closed w/ string handle
Bot: 2-1/8" i.d.

Top: Closed w/ string handle
Bot: 2-1/8" i.d.

25 sq. ft. Jacuzzi Whirlpool Bath
(front load)

50 sq. ft. Jacuzzi Whirlpool Bath
(front load)

C-5601
(3 oz.)

 

C-5300
(3 oz.)

5-3/4"


5-3/4"

11-7/8"


11-7/8"

2-1/8" i.d.


2-1/8" i.d.

25 sq. ft. Jacuzzi
Whirlpool Bath

50 sq. ft. Teledyne
Spa Pak

C-5624
(3 oz.)


C-5302
(3 oz.)

5-7/8"

 

 


5-7/8"

6"

 

 


6"

Top: Closed
w/ semi-circ.
handle
Bot: Male slip
fitting
w/ molded o-ring

Top: Closed
w/ semi-circ.
handle
Bot: Male slip
w/ MPT fitting

25 sq. ft.
Seasonmaster
(Model 111
before 1994)

 

25 sq. ft.
Seasonmaster
(Model 111
after 1994)

C-5325
(3 oz.)

 

 

C-5326
(3 oz.)

5-7/8"

 

 


5-7/8"

12-3/4"

 

 


12-3/4"

Top: Closed
w/ semi-circ.
handle
Bot: Male slip
fitting
w/ molded o-ring

Top: Closed
w/ semi-circ.
handle
Bot: Male slip
fitting
w/ MPT fitting

50 sq. ft.
Seasonmaster
(Model 121
before 1994)

 

50 sq. ft.
Seasonmaster
(Model 121
after 1994)

C-5350
(3 oz.)

 

 

C-5349
(3 oz.)

5-7/8" 15-5/8" Top: Molded cone handle
Bot: 1-3/8" i.d.
50 sq. ft. Nemco C-5405

5-7/8"

 

 


5-7/8"

19-1/4"

 

 


19-1/4"

Top: Closed
w/ semi-circ.
handle
Bot: Male slip
fitting
w/ molded o-ring

Top: Closed
w/ semi-circ.
handle
Bot: Male slip
w/ MPT fitting

75 sq. ft.
Seasonmaster
(Model 131
before 1994)

 

75 sq. ft.
Seasonmaster
(Model 131
after 1994)

C-5375
(3 oz.)

 

 

C-5376
(3 oz.)

5-7/8"

 

 

 

5-7/8"

25-3/4"

 

 

 

25-3/4"

Top: Closed
w/ semi-circ.
handle
Bot: Male slip
fitting
w/ molded o-ring


Top: Closed
w/ semi-circ.
handle
Bot: Male slip
w/ MPT fitting

100 sq. ft.
Seasonmaster
(Model 141
before 1994)

 


100 sq. ft.
Seasonmaster
(Model 141
after 1994)

C-5399
(3 oz.)

 

 


C-5398
(3 oz.)

5-7/8" 34-3/4" Top: Closed
Bot: 2" MPT fitting
45 sq. ft. Canada Spa C-5697

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