The sandwich adapter fits between the oil filter and the engine block. This sandwich adapter has a much higher quality than the traditional ones in the market. It comes with bigger internal channels to get a better flow through the sandwich adapter without any restriction.

Two 1/8 -27 NPT input female connections for sensors.

Two different threads against the original oil filter housing, M20 1.5 and 3/4 thread

Fits all common oil filter housings.

Measurements:
80x80mm
32mm thick