“190058 GENUINE Pentair Purex SMBW 4000 & FNS Filter Pressure Gauge” has been added to your cart. Continue shopping Product Price Quantity Total × 190058 GENUINE Pentair Purex SMBW 4000 & FNS Filter Pressure Gauge $8.11 190058 GENUINE Pentair Purex SMBW 4000 & FNS Filter Pressure Gauge quantity $8.11 Cart totals Subtotal $8.11 Shipping Shipping costs will be calculated once you have provided your address. Total $8.11 Proceed to checkout — OR — Calculate shipping Country / region: Select a country / region… United States (US) State / County: City: Postcode / ZIP: Update