Aeroflow Tap with 61mm Screwcap

While each model in the 70mm line assures a tight seal, they all allow easy access into the container for filling and dispensing. Each adapts to a 2-3/4" (70mm) buttress thread. Note: For the easiest application and removal of these caps, the W-397 wrench is recommended.)Note: NPS= 8 Threads per inch, Buttress= 6 Threads per inch