Haws 9091 Replacement Eyewash Dust Cover Axion MSR drench hose Operation-Push-Down Knob Guardian also notes that the

Guardian also notes that the hose should not be used in applications where line pressure exceeds 90 PSI

or when the supply water reaches freezing cold or scalding hot temperatures

VALVE SUPPLY: 1/2" NPT male inlet

Self-draining eyewash and shower valves are designed to make the flushing of fluid remains occur with the simple push of either of the individual push plates

Water Supply: 1-1/4" NPT female threaded side or top inlet

Haws 9091 Replacement Eyewash Dust Cover Axion MSR drench hose Operation-Push-Down Knob Guardian also notes that theYellow Plastic Dust Cover For The Axion MSR Eye Face Wash Head. Haws Eyewash Dust Cap Yellow Plastic Replacement dust cap for Haws eyewash units Durable yellow plastic for visibility and protection Keeps spray heads clean and free of debris Compatible with Haws series units and part numbers SP65; SP65PD Easy to install accessory for reliable eyewash performance Works with: SP65; SP65PD Haws 8904