PSG27.5P4 filter

Dimensions
Diameter: 120 mm
Length: 290 mm
Top: handle
Bottom: 1.5" MPT thread (46-47 mm outside diameter)

This filter should not be confused with the PSG27.5P3, which has a chunkier screw thread. They two models are not compatible with one another.

Spa manufacturers who use this filter
Saratoga Spas

Part numbers
Pleatco: PSG27.5P4
Filbur: FC-0132M (Microban)