Manufactured under a registered ISO 9002 quality system
100% leak testing of injection-molded flasks
Volumetric graduation accuracy (±5% of volume) Stringent requirements for flatness of optical growth surface
Canted-neck 150cm2 flasks which are low-profile for stacking and efficient use in incubator; include locking caps and graduations
Straight-neck 175cm2 flasks have frosted writing area
225cm2 flasks with locking caps, frosted writing area, vertical graduations, 100mL maximum horizontal working volume line and a skirted, canted neck for extra stability
300cm2 flasks, manufactured in an ISO Class 8 cleanroom with blow-molded design, printed graduations, straight neck, and white marking area
Two-position plug-seal caps for use in open or closed incubation Vented caps incorporate a 0.2µm membrane for consistent gas exchange and reduced contamination Rigid phenolic (lined) caps twist on and provide the most reliable liquid/gastight sealing
Patented locking incubation position, found on the 150cm2 and 225cm2 flasks, prevents caps from falling off or closing while in the open position
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