Features: High transparencyof the filter, coated with a hydrophobic layer, high color reproduction, making theimage clearer It can improve the color and luster of thecaptured object orscenery, which is equivalent to using beauty, beautifying the faded color caused by brightness, and bringing more beauty. Red filter: suitable for shooting depths of 5 to 25meters in diving shells, suitable for seawater, and correcting for greenish colors. Pink filter: suitable for shooting depths of 1-5meters in diving shells, suitable for seawater, suitable for snorkeling shooting, correcting for blue color bias. Purple filter: suitable for shooting depths of 5 to 25meters of diving shells, suitable for freshwater, corrected for greenish color Specifications: Material: ABS Color:Red Filter/Pink Filter/ Purple Filter Size:approx 5.3x0.5cm2.09x0.2inches Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment Package includes: 1PC Filter