Flow Indicator Indicator Type Ball Body Material Polycarbonate Connection Size 3/8 in Connection Type Barbed Operating Pressure - Maximum 10 psig Sight Diameter Not Applicable Number of Windows Not Applicable Flow Direction Horizontal Vertical Media Temperature - Minimum 40 Degrees F Media Temperature -Maximum 175 Degrees F Seal Material Not Applicable For Media Type Water Overall Length 2.3 in Overall Width 1.2 in Wetted Material Nylon Polycarbonate