RSA™ Vials - Reduced surface activity glass vials. TYPE33 with no silanols, residual manufacturing agents or surface metals. Screw Top Vials: 10mm, 13mm, 8mm or 9mm. Silanized - Vials that are covalently deactivated by silanizing agents. Vial Color: Amber, Amber WriteOn, Clear, Clear WriteOn. Volume: 1.2mL - MRQ, 1.8ml, 200ul, 2ml, 3.8ml