Pentair - R172009Z Replacement O-Ring for Rainbow Automatic Chemical Feeder Lid

Pentair R172009Z Replacement O-Ring for Rainbow Automatic Chemical Feeder Lid. Simply place this o-ring lubricated onto the lid assembly and then tighten the lid onto the chemical feeder. To lubricate put a small amount of pool and spa lube in your finger tips and run it around the o-ring.