et preforms1. 55 mm 3-5 GAL (11.5-19 L) bottle performs . PT375- 375 g PT500- 500 g PT690- 690 g Suitable for 3-5 GAL (11-19 L) Water Bottles (2) PP CAPSWe offer a 55 mm of bottle caps. Available to supply together with the above mentioned preforms.(3)RPERIPHERAL EQUIPMENT:We can provide the best technology for the blow molding machines and peripheral equipment..