Continue shopping “Pentair Purex SMBW 2036 4036 Filter Grid 18 in. 074923 – 8 Pack” has been added to your cart. Product Price Quantity Total × Pentair Purex SMBW 2036 4036 Filter Grid 18 in. 074923 - 8 Pack $149.01 Pentair Purex SMBW 2036 4036 Filter Grid 18 in. 074923 - 8 Pack quantity $149.01 Cart totals Subtotal $149.01 Shipping Shipping costs will be calculated once you have provided your address. Total $149.01 Proceed to checkout — OR — Calculate shipping Country / region: Select a country / region… United States (US) State / County: City: Postcode / ZIP: Update