Threaded suctions fitting used by Monarch Spas, LA Spas and others. Mounted in the skimmer box to allow filter cartridge to be screwed into the fitting.
1.5" / 40mm MPT threaded cartridge assembly:
- 1.5" / 40mm Slip fit (47mm ID)
- 60mm hole required.
- 82mm diameter face
- 40mm MPT thread (45mm ID)
Suits these filters: