Continue shopping “R172086Z Rainbow Chlorinator 0.5 inch Control Valve Proportioner” has been added to your cart. Product Price Quantity Total × 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 × R172086Z Rainbow Chlorinator 0.5 inch Control Valve Proportioner $25.59 R172086Z Rainbow Chlorinator 0.5 inch Control Valve Proportioner quantity $25.59 Cart totals Subtotal $73.14 Shipping Shipping costs will be calculated once you have provided your address. Total $73.14 Proceed to checkout — OR — Calculate shipping Country / region: Select a country / region… United States (US) State / County: City: Postcode / ZIP: Update