Simax Reagent Bottle, Amber, GL45 Thread With Cap & Pouring Ring, Borosilicate 3.3 Glass. Message. Code: 2070H. Simax Simax Reagent Bottle, Graduated, Amber, GL45 Thread With Blue Polypropylene Cap & Pouring Ring, Borosilicate 3.3 Glass, ISO 4796-1. Please Note: If you purchase by the pack there is a 10% discount applied.