Comparison : Item # HKXA12, Sullivan Palatek - PE5 Alternate Filter Elements
Item # HKXA16, Sullivan Palatek - PE5 Alternate Filter Elements
Item # HKXA20, Sullivan Palatek - PE5 Alternate Filter Elements
Item # HKXA24, Sullivan Palatek - PE5 Alternate Filter Elements
Item # HKXA28, Sullivan Palatek - PE5 Alternate Filter Elements