Led lenser 0313 f filter set for p7 t7 l7 m7 b7 and m8 torches led lenser 0313 f the led lenser 0313 f filter set for p7 t7 l7 m7 b7 and m8 torches offers both roll protection and a colour filter the required filter foil is placed with ease inside the plastic ring and onto the head of the torch allowing you to get the desired light colour thus securing against rolling away led lenser 0313 f anti roll filter set b7 h14 h14r l7 l7e m7 mt7 m7r m8 p7 t7