9mm screw cap with PTFE/silicone septa

Screw caps with 6mm centre hole and white PTFE/red silicone pierceable septa, to fit 9mm short thread vials

Ideal for 1.5ml glass vials with short thread

Sold in sealed packs of 100 caps

Dimensions: Overall diameter is 11mm,  9mm thread size, 6mm centred septa

Material: polypropylene (PP) cap with white PTFE/red silicone pierceable septa