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 Blue Spray Marker Dye Concentrate Learn More Add to cart Green Spray Marker Dye Concentrate Learn More Add to cart Rotary Encoder Switch Learn More Add to cart Load Cell Surge Protector Learn More Add to cart