Model 322 In line spa bromine / chlorine feeder,
14-1/4" tall, holds 1/2 lb of 1 inch tablets

Model 320 In line pool bromine / chlorine feeder, 17-3/4"  tall,
holds 11 - 3 inch or 98 - 1 inch tablets, up to 27,000 gallons
bottom feed and 18,000 to 70,000 gallons top feed

#300 Off line pool bromine / chlorine feeder, 21" tall,
holds 11 - 3 inch or 98 - 1 inch tablets, 
treats from 12,000 to 48,000 gallons

#300-29X Off line commercial pool bromine / chlorine feeder,
38-1/2" tall, holds 29 - 3 inch or 237 - 1 inch tablets,
 treats from 80,000 to 322,000 gallons

Model
Number

Chemical Capacity (lbs)

Maximum Output (lbs/24 hr)

Maximum Pool Size
(gals)

#300

#300-29X

#320 bottom feed

#320 top feed

#322 with spa chamber

Rainbow’s professional high capacity feeders are designed to sanitize large residential or commercial swimming pools using either chlorine or bromine, tablets or sticks. Feeders are available in three sizes for offline installation with 1 in. PVC Plumbing.
 

#HC-3315 high capacity pool bromine / chlorine feeder, 21-1/2" tall,
holds 15 lbs of tablets,  treats up to 97,600 gallons

#HC-3330 high capacity pool bromine / chlorine feeder, 39-1/8" tall,
holds 30 lbs of tablets,  treats up to 160,000 gallons

#HC-3340 high capacity pool bromine / chlorine feeder, 49-3/4" tall,
 holds 40 lbs of tablets,  treats up to 332,000 gallons

Rainbow feeder 10" extension tube,
doubles capacity of #300, #310 and #320 feeders

Chemical feeder spa chamber reduces feed rate in models #300, #302, #320

Commercial feeder  flo indicator for #320, #322 #300-29X
or feeders with 1/2" feed lines

Residential feeder  flo indicator for 1/4" tubing