Sundance Spas Microclean Ultra Filter Assembly - Inner & Outer Cores

Sundance Spas Microclean Ultra Filter Assembly - Inner & Outer Core pleated filter cartridge
Inner core slips inside outer core cartridge to form 2 stage filtration. 
485mm Long x 214mm 
OD x 80mm - 63mm tapered ID one end x 55mm OD spigot other end 
Lifespan of 18 months - 2 years for outer core and 6-9 months for inner core. 
This is the replacement for the 6540-507 Microclean II filter and can be used to upgrade / replace Microclean I assemblies.