Set of three metal-cell threaded Vernonscope Planetary Filters for 1.25" oculars. Colors are green, orange, blue. The filters allow planetary features such a ice caps, storms and banding, to really stand out. They are awesome to use when viewing Mars, Jupiter, and Saturn. Excellent Vernonscope quality at a heavily discounted price. $25.00 buys all three, insured, and delivered.