PN:2677

2-inch female internal fertilization connector - small switch internal thread
2寸阴内施肥接头-小开关内丝

PN:2678
2.5-inch female internal fertilization connector - large switch male thread
2.5寸阴内施肥接头-大开关外丝

PN:2679
3-inch female internal fertilization joint - large switch external thread
3寸阴内施肥接头-大开关外丝

PN:2680
4-inch female internal fertilization joint - large switch external thread
4寸阴内施肥接头-大开关外丝