Microsolv Snap Top Cap, blue, smooth, soft PE, white Silicone Rubber/Red PTFE Pre-Slit (Y Shape) Septa, for 11mm, 12x32mm Snap Top autosampler vials,

Caps, Snap Top, with Silicone Rubber / PTFE Pre-Slit (Y Shape) Septa, fitted in smooth, polyethylene, Blue Caps. For use with 11mm, 12x32mm Snap Top autosampler vials. MicroSolv Brand