Continue shopping “Pentair Purex SMBW 2036 4036 Filter Grid 18 in. 074923 FG-1236” has been added to your cart. Product Price Quantity Total × Pentair Purex SMBW 2036 4036 Filter Grid 18 in. 074923 FG-1236 $45.38 Pentair Purex SMBW 2036 4036 Filter Grid 18 in. 074923 FG-1236 quantity $45.38 Cart totals Subtotal $45.38 Shipping Shipping costs will be calculated once you have provided your address. Total $45.38 Proceed to checkout — OR — Calculate shipping Country / region: Select a country / region… United States (US) State / County: City: Postcode / ZIP: Update