Water Gauges

Water Gauge Threaded 1/4 in x 32 tpi fitted with 3/16 in (5mm) dia glass., Water Gauge Threaded 5/16 in x 26 tpi fitted with 1/4 in (6mm) dia glass., 2 x 3 Inch Lengths of 3/16 Inch (5mm) Diameter Glass Tube, 2 x 3 Inch Lengths of 1/4 Inch (6mm) Diameter Glass Tube., 4 x 3/16 inch ID 'O' Rings., 4 x 1/4 inch ID 'O' Rings.