Polypropylene Screw Caps with Lip Seal GL 45

The classic laboratory bottle GL threaded screw cap features the tried and tested cap plug sealing system ensuring a liquid tight seal. Available in four colours; blue, green, yellow and grey with matching pouring rings. Distinguishing media types is simplified and interchanging of screw caps and the risk of cross contamination is greatly reduced. Cap with integral lip seal provides effective sealing for short term storage Pouring ring for drip-free pouring The colour helps prevent interchanging of cap mix-ups and reduces the risk of cross contamination Fully compatible with all the GL 45 threads and therefore highly versatile