Pentair Rainbow 320 Automatic In-Line Chemical Feeder holds 11 large or 98 small bromine or slow dissolving chlorine tablets and treats 6500 to 27000 gallons.

No special venting required
Permanent installation in return line of new or existing pools or spas
Standard with 2" slip PVC fitting and adapters for 1-1/2"
Unions not included
Hold 11 large or 98 small bromine or slow-dissolving trichlor tablets
NSF listed
50 PSI maximum operating pressure
Easy tablet level monitoring
Treats 6500 to 27000 gallons bottom feed and 18000-70000 top feed
Dimensions: 17-3/4"H x 5"W x 10"D

Installation Instructions:

Ensure the chemical feeder is compatible with your pool equipment.
Prepare the chemical feeder and plumbing.
Cut and connect the pool's return line, then install the couplings to extend the pipes for the feeder.
Secure the chemical feeder by attaching it to the return lines, following the flow direction.
Please reference additional installation instructions in the owner's manual in the Guides and Documentation section below.
Please Note: We recommend professional installation or the manufacturer warranty may be void. See Warranty section below.

Pentair - Rainbow 320 Automatic In-Line Chlorine/Bromine Feeder