DYE I4 / I5 Thermal Lens Northern Fire 1,523.68 CZK 1,371.31 CZK High quality Anti-fog coated Thermal lens with perfect optical clarity for use with DYE i4 and i5 Paintball goggles. BUY Share Article Number: 2730 Information Reviews Thermal lens for DYE i4 and i5 masks.