Bottles, GL Screw Threads, Low Actinic Borosilicate

• Protect light sensitive contents  • Borosilicate glass for thermal shock resistance  • Enhanced graduations and marking spots are permanent white enamel  • GL screw threads  • Liner-less, autoclavable (140°C max.), polypropylene orange caps included  • Drip-free polypropylene pour rings included  Low actinic bottles provide a shield to protect light sensitive products. Low actinic treatment permits less  than 1% transmission below 400nm and reduced (5%) from 400-600nm as compared to untreated clear borosilicate glass. Bottles are provided with enhanced graduation scale, orange polypropylene cap and drip-free pour ring included.