Continue shopping “Pentair Rainbow 300 and 320 Pool Chlorinator 20 inch Extension R172283” has been added to your cart. Product Price Quantity Total × UPGRADED With Silver PoolRx Plus Black White 20K-30K Pools - 4 Pack $259.01 UPGRADED With Silver PoolRx Plus Black White 20K-30K Pools - 4 Pack quantity $259.01 × Purity Pool Phantom Rake Replacement Leading Edge LEPH $18.01 Purity Pool Phantom Rake Replacement Leading Edge LEPH quantity $18.01 × 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 $328.03 Shipping Shipping costs will be calculated once you have provided your address. Total $328.03 Proceed to checkout — OR — Calculate shipping Country / region: Select a country / region… United States (US) State / County: City: Postcode / ZIP: Update