Flow Indicator, Indicator Type Rotor, Body Material Polypropylene, Connection Size 1/4 in, Connection Type FNPT, Operating Pressure - Maximum 100 psi, Sight Material Polysulfone, Sight Diameter 1.7 in, Number of Windows 1, Flow Direction Horizontal Left, Horizontal Right, Media Temperature - Minimum -20 Degrees F, Media Temperature -Maximum 180 Degrees F, Seal Material Buna-N, Overall Length 3.1 in, Overall Width 2.4 in, Wetted Material Buna-N, Ceramic, Polypropylene, PSU, PPS