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Reverse mouth rubber stopper screw mouth flip stopper salt water bottle stopper wine bottle rubber stopper sealing plug 14/19

Full PTFE digestion tank sample cup 30ml50ml100ml200ml polytetrafluoroethylene corrosion resistance and high temperature resista

Tetrafluoroethylene piston two-way straight piston straight/bending joint 14#/19#/24#/29#/34#/40#

Full PTFE feeding head GL45 feeding bottle cap one hole two holes three holes four holes cap

10PCS GL45 blue cap reagent bottle headspace cap sampling cap anaerobic cap opening high temperature cap

Screw-mouth bottle blue cap bottle open bottle reagent bottle cap tetrafluoro sealed silicone gasket gl14/gl18/gl25/gl32/gl45

Anti-diffusion liquid micro-evaporation bottle cleaning bottle watch movement with sealing GL45 bottle mouth

2 pieces, filter rubber gasket 11*85mm, sand core crucible rubber gasket, Buchner funnel filter gasket 9*75mm

1PCS GL45 PTFE membrane breathable cap cell culture reagent bottle cap can be sterilized by high temperature and high pressure

GL45 plastic feed bottle cap single-pass double-pass three-pass reactor adapter cap PP reaction bottle cap mobile phase cap

GL14MM 18MM white small mouth with screw thread, straight/curved detachable small mouth filter, two kinds of PTFE screw mouth

100PCS Plastic test tube cap laboratory test tube cover high temperature resistant and reusable plastic cover Φ13/15/18/20/25mm