Rising Dragon, o2, Vortex, Escape, Maax, Arctic Spas filter replacement cartridge

Replacement pleated filter cartridge to replace original disposable cartridges used in Rising Dragon filters on :
Maax Spas, 
Arctic Spas, 
Oasis spas, 
o2 Spas, 
Vortex Spas, 
Escape Spas and 
others. 

340mm long x 128mm diameter x Closed top, 
45mm internal course acme threaded bottom 

Design change - original version had a solid 'D' handle on top and protuding base with multiple threads. New style has a flat base with single course thread.

Sold individually (image may show multiple cartridges for ID purposes only)