Combination Blowpack Bung Cap 2″ Combination bung plug with 3/4″ BSP internal thread and plug. Most popular for connecting 3/4″ taps into the 2″ opening of 210 litre drums. Commonly fits into the 2″ opening of 210 litre blowpacks. Non-vented Specifications Outside thread: 2″ Trisure Material: Polypropylene & EPDM rubber
