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Unicel 4CH-50 Replacement Filter Cartridge | 50 sq. ft. | Cone Handle / 1-1/2″ MPT

Original price was: $34.39.Current price is: $17.42.

10 in stock

SKU: 4CH-50 Category:

Description

The Unicel 4CH-50 is a 4000 Series 50 sq. ft. replacement spa filter cartridge engineered with a molded cone handle top and 1-1/2″ male pipe thread (MPT) bottom — a precise dimensional match for the original. With 225 pleats of 3 oz. Reemay 2033 polyester media, the 4CH-50 delivers reliable particulate capture and consistent water clarity through each full filter cycle.

Specifications

Filter Area 50 sq. ft.
Length 14 3/4″
Outer Diameter 4 5/8″
Material 3 oz. Reemay 2033
Pleat Count 225
Top Cap: molded cone handle Bottom Cap: 1-1/2″ male thread/MPT

Note from Unicel: The 4CH-50 replaces cartridges that use a 1-1/2″ MPT bottom fitting and match the dimensional envelope above (14 3/4″ length × 4 5/8″ OD). It can also be adapted to fit filter housings with a ~1.9″ open-hole bottom using a separate disposable adapter (not included — verify compatibility with your filter housing before ordering).

Fits into:

OEM Brand Product Name Part Number Notes
Dimension One Spas 1561-05
Also compatible with select models from: Addison Spas, Advanced Spa Design, American Classic Spas, Aqua Tech Spas, Dynasty Spas, Florida Whirlpool, Nemco, OpuSpas

(This is not an exhaustive list.)