These PYREX® glass roller bottles are manufactured from borosilicate glass for optical clarity and mechanical strength and can withstand repeated wet or dry sterilization. All PYREX® roller bottles have linerless, one-piece orange polypropylene plug seal caps with GL45 threads and drip-free pouring rings. A wide range of optional caps are available including colored caps for ease of sorting and identification, vented membrane caps with 0.22µm PTFE hydrophobic membrane and PBT (polybutylene terephthalate) solid caps and ETFE pouring rings for dry heat sterilization.
Wheaton® glass roller bottle culture vessels with shallow skirt caps. Roller bottles are made to exacting tolerances to provide a higher yield and greater uniformity of cells per square centimeter. Glass tubing is specially selected for optical clarity, interior surface smoothness and general freedom from glass imperfections. Neck area is tapered to facilitate cleaning. Glass wall thickness is 2.6mm. Roller bottles may be autoclaved for sterile applications. Caps have white (styrene-butadiene) rubber liner. Wheaton-33 low extractable borosilicate glass. Caps have a shallow skirt and white (styrene-butadiene) rubber liner.