The glass bowl allows easy checking for sediment or particles in the fuel.  It has a cast mounting bracket (hole centres approx 40mm centres), fine gauze fuel filter and detachable glass bowl.  The bowl is easily removed by unscrewing the nut at the base.  Glass bowls are available separately.  The gauze filter can be rinsed out. 

The filter has 1/2" UNF inlet/outlet ports and is available feeding either right to left or left to right (viewed facing the filter as in the photo).  The overall dimensions are:

Height 120mm
Width 75mm
Depth 58mm

Fittings are available and can be purchased separately.