BELDT'S AQUARIUM, ST. LOUIS, MISSOURI 
9 
No. I 
Price $3.75 
Element guaranteed for 
one year 
No. 2 
Price $2.50 
No. 4 
Price $0.85 
No. 5 
Price $0.75 
ELECTRIC AQUARIUM HEATERS 
No. I Automatic with pilot light indicator has a 
double socket and two heaters can be used thermostat¬ 
ically for different Aquariums if desired. Each heater will 
heat Aquariums from 10 to 40 gallons capacity. Fur¬ 
nished with one heater. Price $3.75. Additional heaters 
each $ 1.75. 
No. 2 Automatic for tanks from 5 to 30 gallons. 
Price each $2.50. 
No. 4. This is only a thermostat. Can be used for 
any heater you now have. Price each $0.85. 
No. 5. These heaters come in single watt for follow¬ 
ing size Aquarium. Don't forget to state gallon capacity 
of your aquarium or wattage desired. We can supply 
them as follows: for 2 to 4 gallon tanks 10 watt, 4 to 5 
gallon tanks 20 watt, 6 to 9 gallon tanks 30 watt, 9 to I 5 
gallon tanks 40 watt, 16 to 25 gallon tanks 60 watt, 25 to 
35 gallon tanks 80 watt. Any of these priced $0.75 each. 
The heating elements in No. 2 and No. 5 heaters can 
be replaced when burned out. Price of additional ele¬ 
ments each 40c. Installation of elements very simple. 
Element in No. I heater guaranted for one year. 
Heating Elements—Each, $0.25; per dozen $2.00 
Special discount on above heaters in dozen lots, 10% 
GLASS TUBE HEATERS 
These heaters are supplied complete as illustrated with waterproof rubber extension 
cord and hanger. They are made in two sizes. Six-inch heaters can be supplied in 
following wattage: 10 watt, 20 watt, 30 watt and 40 watt. 
Price for six-inch heaters, each $0.60 
One-half dozen 3.00 
One dozen 5.60 
Eight-inch heaters can be supplied in 40 watt, 60 watt and 80 watt at follow¬ 
ing prices: 
Price each $0.75 
One-half dozen 3.60 
One dozen 6.60 
The heating element can be replaced when burned out. Cost of elements, each 
$0.25, dozen lots, $2.00. 
