The difference between these two eye-washing device is mainly the difference of the material of the bowl.
Plastic bowls are lighter.The stainless steel bowl is stronger and more durable.
Spray Heads: (2) Yellow ABS Plastic Spray Outlet, Sprayface, and Dust Cover
Valve: 1/2” NPT Female Brass, Chrome-Plated
Activator: Stainless Steel Push Handle
Inlet: 1/2” NPT Female
Plate: Cold-Rolled Steel, Painted Safety Green
Emergency Sign: 7-7/8” x 7-7/8” Plastic Wall Sign
Wall Mounted Eye and Face Wash with Bracket
Wall Mounted Eye and Face Wash with Bracket and Trap
Pedestal Mounted Eye Wash
Eye and Face Wash, Wall Mounted, All-Stainless Steel
Valve: 1/2″ IPS stainless steel stay-open ball valve. Valve has stainless steel ball and PTFE seals.
Bowl: 11-1/8″ diameter stainless steel.
Mounting: Heavy duty stainless steel wall bracket.
Un- mounted Stainless Steel Eye Wash
Wall Mounted Stainless Steel Eye Wash with Bracket
Wall Mounted Stainless Steel Eye Wash with Trap
Barrier Free Wall Mounted Stainless Steel Eye Wash
Pedestal Mounted Stainless Steel Eye/Face Wash
Freeze Resistant Wall Mounted Eye Wash
Dust cover for 11″ receptor bowls