Continue shopping “ORIGINAL AUTHENTIC Pentair Purex SMBW 4000 & FNS Filter Pressure Gauge 190058Z” has been added to your cart. Product Price Quantity Total × Original Authentic Hayward Pro-Grid Filter Flex Air Relief DEX2400CR $17.38 Original Authentic Hayward Pro-Grid Filter Flex Air Relief DEX2400CR quantity $17.38 × ORIGINAL AUTHENTIC Pentair Purex SMBW 4000 & FNS Filter Pressure Gauge 190058Z $8.13 ORIGINAL AUTHENTIC Pentair Purex SMBW 4000 & FNS Filter Pressure Gauge 190058Z quantity $8.13 Cart totals Subtotal $25.51 Shipping Shipping costs will be calculated once you have provided your address. Total $25.51 Proceed to checkout — OR — Calculate shipping Country / region: Select a country / region… United States (US) State / County: City: Postcode / ZIP: Update