Continue shopping “R172283 Pentair Rainbow 300 and 320 Pool Chlorinator 20 inch Extension” has been added to your cart. Product Price Quantity Total × D Leisure Time Spa Metal Gon 16oz. (2 Count) $24.67 D Leisure Time Spa Metal Gon 16oz. (2 Count) quantity $24.67 × R172283 Pentair Rainbow 300 and 320 Pool Chlorinator 20 inch Extension $47.55 R172283 Pentair Rainbow 300 and 320 Pool Chlorinator 20 inch Extension quantity $47.55 Cart totals Subtotal $72.22 Shipping Shipping costs will be calculated once you have provided your address. Total $72.22 Proceed to checkout — OR — Calculate shipping Country / region: Select a country / region… United States (US) State / County: City: Postcode / ZIP: Update