Home » Weight Watcher » Weight Watcher Parts » Gauge for MFD Air Filter/Regulator Gauge for MFD Air Filter/Regulator SKU: RFF-4073 Availability: Available Price: $24.85 Gauge for MFD Air Filter/Regulator quantity Add to cart Description Replacement gauge for MFD-brand air filter/regulator (RFF-4070). Related products Air Cylinder Seal Kit Learn More Add to cart Power Cord, 120 VAC Learn More Add to cart Blue Spray Marker Dye Concentrate Learn More Add to cart Spray Marker Check Valve, 3 PSI Learn More Add to cart