PTL18P4 filter

Dimensions
Diameter: 117 mm
Length: 203 mm
Top: handle
Bottom: 1½" MPT thread (46-47 mm outside diameter)

The length of the filter excludes the handle and the threaded fitting.

Filters from different manufacturers all have slightly different handles. The most common are a cone-shaped handle (Unicel) and a D-shaped handle (Pleatco), but they are all compatible with one another. If the length and diameter match, then this is the correct filter for your spa.

Spa manufacturers who use this filter
Vita Spas, Saratoga Spas, Dream Maker, Altera, 4Seasons, Alcove, Pageant Spa Top Load

Part numbers
Pleatco : PTL18P4
Darlly : SC716 / 40191
Unicel : 4CH-21
Filbur : FC-0121
Saratoga : 20245-238