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 
1 : 6 inch, 25 watt ......... 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 
aquarium of 2-3 gallon capacity..................ccceee $1.85 
WIL-NESS 77 AUTOMATIC HEATER 
Heater and thermostat combina- 
tion in one unit with adjustable 
knob and pilot light. 
Wattage range, 25-40-60 
BY IONS on tates ares ceo ee $5.50 
Wattage range, 75-100 
LOTIONS Bt, ke eee lake 5.75 
METAFRAME 
Outside adjustable Combination Heater and Thermostat— 
in one unit. Pilot light. 
Size’ 8” Watts 25-50-75 $4.00 
10°? <5 75-100 4.25 
122? 100-150 4.50 
THERMOSTATS 
For controlling temperature in aquariums, heater should 
be plugged into the connection on thermostat cord. Use one 
of these dependable thermostats. 
Barrus Inside Adjustable Thermo- 
stat Simplex. 300 watt .............. $4.00 
Barrus Inside Adjustable Thermo- | 
stat Duplex. 300 watt .............. $5.00 
Barrus Outside Adjustable Thermo- 
stat. 500 watts .............0ceeeeees $6.00 
Barrus 
Thermostat ; 
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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