Dewar Flask Stopper F11 (XPE), 79 × 100 mm

High-quality Dewar flask stopper made of XPE (cross-linked polyethylene) for secure sealing and reliable insulation of Dewar flasks.Dimensions:Outer diameter: 100 mmInner diameter: 79 mmSuitable for:F251100F250100F240100Properties: Lightweight and durable Chemical resistant Excellent thermal insulation Moisture resistant Shock absorbing Ideal for laboratory, cryogenic, and other Dewar vessel applications