Rainbow Pentair Chamber, Chemical Spa, R172037

No.14 Image R172037 Spa Chamber (302 Spa Feeder) Used on Rainbow Pentair Chemical Feeders and Automatic Chlorinators. The Spa Chamber is used to hold small 1in chlorine or bromine tablets (but not both!), when using the Rainbow feeder on a spa or small body of water. Allows you to stack about 12 tablets in the slide-in chamber insert. Fits both in-line 320 and off-line 300 models of Pentair Rainbow feeders. See all Rainbow Pentair Automatic Feeder parts in our Chlorinator Parts Dept.