25 sq.ft. Cal Spas, Master Spas
Note: Cal Spa/Coleman Spa & Master Spa originals have 4-3/4″ OD.

UNICEL Part Number: 4CH-252
Outer Diameter: 4 5/8
Length: 8
Top End Cap: Molded Cone Handle
Bottom End Cap: 2 Male Thread/Mpt
Media: 3 oz
Pleat Count: 213

SKU: 4CH-252 Category: Tag:

Additional information

Filter Brand


Outer Diameter

4 11/16, 4 9/16, 4 5/8

Filter Length

7 15/16, 8, 8 1/16

Top Hole Inner Diameter

Molded Cone Handle

Bottom Hole Inner Diameter

2 Male Thread/Mpt

Outer Diameter Range

4000 Series

Filter Length Range

6.00" – 8.99"

Top Hole Inner Diameter 2

No Hole

Bottom Hole Inner Diameter 2

No Hole

Sub Categories


Filter Top End Cap Type

Molded Cone Handle

Filter Bottom End Cap Type

Male Thread MPT


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