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Helicopter
1 x Plane mirror in a metal frame
disc and aluminum leaf supported by a rubber cork
interference and diffraction of waves
With flexible lens
Lab Safety Goggle Calorimeter HelicopterIndirect ventilation for heat deception. Wide Angle polycarbonate lens with 99. 9% UV protection. 24mm adjustable Comfort elastic headband prevents slippery while worn. Durable and lightweight 58 grams. CanaSafe I Cote Anti fog Scratch Resistance Coating. Designed for use in professional medical fields but is an ideal choice for science classrooms and household use. If you need custom order with different sizes design, please contact us. Safely
