Continue shopping “Pentair Rainbow 300 and 320 Pool Chlorinator 20 inch Extension R172283” has been added to your cart. Product Price Quantity Total × Jandy LX LT Heater Header Coupling Tail Piece Union O-Ring R0337600 - 2 Pack $7.01 Jandy LX LT Heater Header Coupling Tail Piece Union O-Ring R0337600 - 2 Pack quantity $7.01 × Ortega 3 Port Valve Noryl Diverter 1.5 inch 073481 $37.47 Ortega 3 Port Valve Noryl Diverter 1.5 inch 073481 quantity $37.47 × Pentair Rainbow 300 and 320 Pool Chlorinator 20 inch Extension R172283 $51.01 Pentair Rainbow 300 and 320 Pool Chlorinator 20 inch Extension R172283 quantity $51.01 Cart totals Subtotal $95.49 Shipping Shipping costs will be calculated once you have provided your address. Total $95.49 Proceed to checkout — OR — Calculate shipping Country / region: Select a country / region… United States (US) State / County: City: Postcode / ZIP: Update