... Tianya camera graduated purple square filter 1.Compatible with Cokin P series. 2.size:83X100mm 3.brand:tianya Tianya camera graduated ... . 2.Rotating mount for easy color adjustment3.Compatible with Cokin P series. 4.Size:83X100mm5.Color:Sunset orange,bule,yellow,grey ... slots which is depended by your filter's size. cokin p color filter