Model 9070 Filter is recommended for installation on all eyewash units for additional protection for eyes. Made of FDA approved polypropylene with disposable FDA approved viscose fiber filter media which removes particles down to 20 microns. Flow Capacity: 7 gpm (26.5 L) max (recommended). Maximum Working Pressure: 125 psi (8.62 bar) Size: 15" (38.1 cm) overall by 5" (12.7 cm) diameter Supply: 3/4" NPT inlet and outlet.