Continue shopping “074923 Pentair Purex SMBW 2036 4036 Filter Grid 18 in. – 8 Pack” has been added to your cart. Product Price Quantity Total × 074923 Pentair Purex SMBW 2036 4036 Filter Grid 18 in. - 8 Pack $137.24 074923 Pentair Purex SMBW 2036 4036 Filter Grid 18 in. - 8 Pack quantity $137.24 Cart totals Subtotal $137.24 Shipping Shipping costs will be calculated once you have provided your address. Total $137.24 Proceed to checkout — OR — Calculate shipping Country / region: Select a country / region… United States (US) State / County: City: Postcode / ZIP: Update