Comparison : Item # HKAC12, Sullivan Palatek - PE1 Alternate Filter Elements
Item # HKAC16, Sullivan Palatek - PE1 Alternate Filter Elements
Item # HKAC20, Sullivan Palatek - PE1 Alternate Filter Elements
Item # HKAC24, Sullivan Palatek - PE1 Alternate Filter Elements
Item # HKAC28, Sullivan Palatek - PE1 Alternate Filter Elements