Morrison Bros. 305SA Top-Seal Swivel Adaptor 4 in. (MO305SA0200AA)
Top seal swivel adaptors are installed on underground storage tank fill ports and riser pipes where tight fill connections are required. The top section rotates with the movement of the delivery hose while the bottom section remains securely in place.
Gauge rotates 360º making it easy for the face to be read from any desired orientation
Male NPT threads (OD)
Female NPT threads from the top down and from the bottom up