Replacement bottle caps for refillable water bottles available in multiple sizes. 38mm – .5G or 1G Glass Bottle 48mm – 2G, 3G, or 5G #7 Screw Top 55mm – 5G #1 Screw Top 100mm – 2G Valve or 3G Valve Screw Top 120mm – 5G Valve Screw Top 55mm Crown – #7 3G and 5G Crown Top
