Borosilicate Glass LED Optical Lens 75x135 Degree Beam Angle IP65 Waterproof for Tunnel Street Light The SUN-D107-75x135 is a borosilicate glass optical lens delivering a 75 x 135 degree beam for 30-100W COB LED chips. Supplied with a silicone gasket, stainless steel holder and reflector, it installs easily with IP65 waterproof protection. With 90-93% light transmittance and a working temperature range of -50 to +80 C, it suits tunnel light, street light, park light, solar
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