Wholesale Distributor for Spa & Hot Tub Parts, Paks & Accessories Since 1979!
H.W.P. Inc
 
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Spa Manufacturers Starting with M

Model
Sq. Ft.
O.D.
Length
Top/Bottom End Cap
OEM Part #
Part #
Maax Spas of AZ -
see also Coleman Spas
 

35

5-5/8”

8”

w/ 1-1/2” male thread/MPT

 

5CH-35

 

50

4-15/16”

13-5/16”

 

100533

C-4950

 

65

5-5/16”

14-13/16”

 

 

C-5374

 

50

8”

9”

w/ 2” male slip fitting

100593

C-8450

 

75

8”

13”

w/ 2” male slip fitting

100594

C-8475

Majestic Industries
see Artesian Spas, J.E.M. Spas
Marathon Spas 
 

30

4-5/8”

11-7/8”

w/ 1-1/2” male thread/MPT

 

4CH-30

 

50

4-15/16”

13-5/16”

2 1/8" Open

 

C-4950

Marquis Corp
see Amish Country
Marquis Spas
 

35

5-3/16”

12-1/2”

w/ 2” male thread/MPT

20042

5CH-352

 

 

 

 

 

370-0242

 

 

 

 

 

 

370-0243

 

 

50

5-3/16”

12-1/2”

w/ 2” male thread/MPT

20041

5CH-502

 

 

 

 

 

370-0237

 

Note: New design. Unicel part number was formally C-5303.
 

50

4-15/16"

6-5/8"

 

 

C-4405

Note: System utilizes a single cartridge.

 

50

5-3/16”

14-1/8”

 

20044

C-5346

 

 

 

 

 

370-0236

 

 

35

5-3/16”

11-7/8”

 

20045

C-5423

 

 

 

 

 

370-0215

 

 

60

5-3/16”

19-5/8”

 

20043

C-5434

 

 

 

 

 

370-0216

 

 

25

5-3/16”

11-7/8”

 

 

C-5626

Note: Old design.

  

 

 

 

 

 

 

40

5-3/16”

19-5/8”

 

 

C-5637

Note: Old design.

 

 

 

 

 

 

Martec

  see also Sonfarrel

 

 

 

 

 

 

 

30

4-15/16”

14-7/8”

 

CL-2800

C-4301

 

25

 

 

 

CL-2200

 

 

45

4-15/16”

14-7/8”

 

CL-2807

C-4305

 

50

 

 

 

CL-2810

 

 

35

4-15/16”

11-7/8”

 

SC-3500

C-4332

 

25

 

 

 

SC-2200

 

 

130

7-1/2”

28-15/16”

 

244-0130

C-7413

 

65

7-1/2”

14-13/16”

 

244-065

C-7415

 

65

7-1/2”

14”

 

244-064

C-7416

 

100

7-1/2”

21-7/8”

 

244-0100

C-7419

Master Spas
NOTE: Use Unicel 7CH-322 for 8" OD Eco-Pur Filtration Systems. Use Unicel 6CH-352 for 6" OD Eco-Pur Filtration systems. Black stand pipe must be removed in both Eco-Pur systems

 

20

4-5/8”

6-3/4”

w/ 1-1/2” male thread/MPT

 

4CH-20

 

45

6”

12-3/8”

w/ 1-1/2” male thread/MPT

 

6CH-45

  45 6" 8-1/4' w/ injection molded 1-1/2" SAE thread   6CH-940
Note: For use in Master Spas swim spas.

 

60

8”

9-1/4”

w/ 2” male thread/MPT

 

8CH-66

  8 3-7/8" 7"     C-3310AM
Note: Manufactured with antimicrobial filter media; used in conjunction with Unicel C-7330 or C-8341 outer cartridge in Eco-Pur

 

25

4-5/8”

9-3/4”

 

 

C-4324

Micro Filter

30

7”

7-1/4”

 

 

C-7330

Note: Part of Eco-Pur filtration system, 2002 to 2005.

Micro Filter

40

8”

6-3/4”

w/open w/raised ring

 

C-8341

Note: Part of Eco-Pur filtration system, 2006 to present. Two 40 sq. ft. cartridges required

Midwest Spas

 

50

4-15/16”

13-5/16”

2 1/8" Open

 

C-4950

Millennium Spas

 

50

6”

8-1/4”

w/ 1-1/2” “SAE” thread

 

6CH-940

 

40

4-15/16”

11-1/4”

2 1/8" Open

 

C-4339

 

50

4-15/16”

13-5/16”

2 1/8" Open

 

C-4950

Moonwater Spas

 

25

4-15/16”

13-5/16”

2 1/8" Open

 

C-4326

 

50

4-15/16”

13-5/16”

2 1/8" Open

 

C-4950

Moose Mountain Spas (Canada)

 

35

4-15/16”

9-1/4”

2 1/8" Open

 

C-4335

 

50

4-15/16”

6-5/8”

 

 

C-4405

Morgan Spas

 

37

4-15/16”

13-5/16”

 

 

C-4637

 

50

4-15/16”

13-5/16”

2 1/8" Open

 

C-4950

 

35

5”

13-5/16”

 

 

C-5635

Mountain Meadows Spa

 

25

4-5/8”

9-3/4”

w/ 1-1/2” male thread/MPT

 

4CH-24

Mountain Mist Spa

 

25

4-5/8”

9-3/4”

w/ 1-1/2” male thread/MPT

 

4CH-24

Mountain Springs Spa

 

25

4-5/8”

9-3/4”

w/ 1-1/2” male thread/MPT

 

4CH-24

Mountain Stream Spa

 

25

4-5/8”

9-3/4”

w/ 1-1/2” male thread/MPT

 

4CH-24

Muskin

A2300

10

4-5/16”

8”

 

 

C-4600

Note: Closed top skim filter.

 

 

 

 

 

 

 

6

4-5/16”

8”

 

 

C-4602

195-8712

6

4-5/16”

8”

 

 

C-4605

A3808

 

 

 

 

 

 

A3818

 

 

 

 

 

 

A3810

10

6-1/4”

8”

 

 

C-6610

FE-90

 

 

 

 

 

 

FE-30

16

6-1/4”

8”

 

 

C-6616

FE-40

 

 

 

 

 

 

A3816

 

 

 

 

 

 

195-8717

 

 

 

 

 

 

A3821

20

6-1/4”

8”

 

 

C-6620

FD-20

 

 

 

 

 

 

FD-40

 

 

 

 

 

 

FE-20

 

 

 

 

 

 

FE-127

55

7”

19-5/8”

open w/ molded gasket

58039

C-7455

FE-129

120

9-1/4”

19-5/8”

open w/ molded gasket

58040

C-9499

Home Owners -use of our online catalog is free for reference only. We only sell to qualified wholesale customers.

- 2" to 2 15/16"
- 4" to 4 15/16"
- 5" to 5 15/16"
- 6" to 6 15/16"
- 7" to 7 15/16"
- 8" to 8 15/16"
- 9" to 9 15/16"
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