Continue shopping “074923 Pentair Purex SMBW 2036 4036 Filter Grid 18 in. FG-1236” has been added to your cart. Product Price Quantity Total × 074923 Pentair Purex SMBW 2036 4036 Filter Grid 18 in. FG-1236 $42.42 074923 Pentair Purex SMBW 2036 4036 Filter Grid 18 in. FG-1236 quantity $42.42 Cart totals Subtotal $42.42 Shipping Shipping costs will be calculated once you have provided your address. Total $42.42 Proceed to checkout — OR — Calculate shipping Country / region: Select a country / region… United States (US) State / County: City: Postcode / ZIP: Update