AQUARIUM HEATERS 
SUBMERGIBLE—Genuine Pyrex Tube. This type of heater 
may be completely submerged or placed on the bottom of 
the aquarium. 
6 inch, 12% watt ...... $2.25 
Geinchs2o watt a 2.35 
8 inch, 50 or 75 watt.... 2.45 
10 inch, 100 or 150 watt.. 2.75 
GLOW-LITE—Heater Light. A combination chill breaker 
and aquarium light to heat and illuminate a small 
AQUaLIUNIAOles-3: LAalLlOlsCaDACILY «ny eee tee ee en ae $1.85 
THERMOSTATS 
For controlling temperature in aquariums, heater should 
be plugged into the connection on thermostat cord. Use one 
of these dependable thermostats. 
Precision Outside Adjustable 
Thermostat: 4500wattsia..). 35s. 25. $5.25 
Precision 
Thermostat 
Barrus Inside Adjustable Thermo- 
SLAG oI plex aesUO, Watt eect sees cas $4.00 
Barrus Inside Adjustable Thermo- 
StatwDuplex sOURWAUE vans te ens ee seers $5.00 
Barrus Outside Adjustable Thermo- 
Stat eeDOUA WELLS eerie wee en ee ee oon oe $6.00 
mberahatse 
These thermostats have built-in radio interference elimi- 
nators. 
The knob on the top of outside adjustable thermostat per- 
mits easy adjustment for higher or lower temperature. 
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