Magnum filters Nz made 
Model Number: HS30 or C30
Compatible with Hotsprings Spa
Compatible with the following Hot Spring Spa Models:
Aria
Envoy
Grandee
Jetsetter
Prodigy
Propel
Samoa
Sovereign
Square
Stride
Triangle
Triumph
Vanguard
Dimensions:
Diameter: 150mm
Length: 260mm
Top Endcap: 50mm Hole Diameter
Bottom Endcap: 50mm Hole Diameter
Sold singly