Guardian GFR3200 Heated Safety Station with Eyewash, Top Inlet, Rated for Class I, Division 1 Environment Capacity-37 Gallons double throw flow switch which

double throw flow switch which contains multiple sets of contacts for remote activation

ABS plastic eye/face wash spray heads

How often should I replace these filters

Jacket/Insulation: UV-resistant orange ABS plastic with polyethylene foam insulation

The unit features a 10-3/4-inch bowl made of corrosion-resistant stainless steel and galvanized steel pipes covered with Bradtect yellow safety coating to make them highly visible

Guardian GFR3200 Heated Safety Station with Eyewash, Top Inlet, Rated for Class I, Division 1 Environment Capacity-37 Gallons double throw flow switch whichClass I, Division 1 rated electric heat traced stations prevent freezing in extremely hazardous, cold weather conditions where flammable gases are routinely expected. Thermostat regulated units are heated by self limiting heat tracing cable wrapped around internal pipe. Units are intended for cold weather use down to 40F. See Tempering Valves section to ensure tepid water compliance with ANSI Z358. 1 2014. 1 foot minimum bury depth.