PRO 72mm Filter Kit + PRO 72 mm Tulip Lens Hood for Sigma 150mm F2.8 EX DG OS Macro HSM - 72 mm Polarizing Filter, 72mm UV Filter, 72mm Florescent Filter & 72mm Flower Lens Shade Hood Filter Kit: 72mm Circular Polarizer (rotational), 72mm Ultraviolet Filter, 72mm Florescent Daylight Filter - HD Multi-Coated Low Dispersion Optical Glass - Aluminum Ring Fitted 72 mm Circular (Rotational) Tulip Lens Hood, Flower Lens Shade Fits Perfectly On To Lens - No Adapters Required Limited Lifetime Warranty