Information: Laservision F12 Frame Grey Glass Laser Filter Lens OD 3+ @ 850-900 nm OD 7+ @ 1000-1600 nm OD 4+ @ 900-950 nm OD 5+ @ 1600-2400 nm OD 5+ @ 950-1000 nm OD 5+ @ 2900-10600 nm Color: Grey Visibility: Excellent Frame Specs: Ideal for most laser applications. They have a universal fit with padded goggle rim and vented walls as well as wide adjustable elastic strap for comfort. Also has prescription fit-over capability. Included Accessories: 1 oz. lens cleaner - lens cleaning cloth - and black head strap. Compliance: Meets or exceeds ANSI standards.