Pentair Rainbow Cap Chlorinator, White | R172008W Fabric Floats it is a maintenance-free cover

it is a maintenance-free cover that provides pool owner complete peace of mind during the off-season that their pool investment is not only protected against the elements

Bottom diameter: 9-1/8" Fits Into

with water seat for infant or toddler

100) For no valve assembly

Insert blue piercing tool into large center hole

Pentair Rainbow Cap Chlorinator, White | R172008W Fabric Floats it is a maintenance-free coverPentair White Threaded 3 Inch Cap for Model 320, 322 In Line Automatic Chemical Feeders, Automatic Chemical Feeders, Commercial Size Chemical Feeders. Features and Benefits: High quality materials for durability and longevity Designed for the 3 inch top of the chemical feeder Cap measures 4 inches Genuine Pentair replacement part.