HD Multi-Coated 72mm 3 Piece Filter Set (UV, CPL, FLD) + Pouch All Filters Are HD & Multi Coated For The Best Quality Available UV Protective Filter: Prevents loss of sharpness and contrast by filtering out UV rays and Haze. Protects Lens from scratches, scuffs and smudges Circular Polarizing Filter Eliminates Reflections From Non-Metallic Surfaces, And Increases Contrast And Color Saturation FLD Fluorescent Filter: Eliminates that annoying greenish "tinge" which fluorescent lights add to photos. Includes Filter Case &lt;&gt; Lifetime Warranty