BELDT’'S AQUARIUM 


AIR 
The 
Magnus 
Pump 

Marvel 
Air Flow 
The Magnus Pump occupies a 4-inch space. 
Shipping weight, 3 lbs. Will deliver plenty of 
air for 1 to 5 tanks. It is sold with a 6-month 
guarantee. Uses 60 cycle, 110 to 120 volts A. C. 
current. This pump can be used with any 
filter listed in this catalog. 
Price, fully equipped with rubber tube 
and outlet for one aquarium 
Columbia Air Pump 




















A very good compact 
unit able to provide suf- 
ficient air for three 
tanks. Floor space 38% 
Square inches; shipping 
weight, 3 lbs. 
ECE ee eee tee eee $6.95 

White Mist Air Pumps are guaranteed for 
one year. The factory guarantees all ship- 
ping costs if the pump fails to operate prop- 
erly during this time. This pump has made 
enthusiastic friends and every purchaser is 
more than satisfied. The order number must 
be given with all claims. 
DILICES: WithisOlid Co pisces secs wecetene rn oseee ee seeeee $9.90 
Special Combination 
ffer 
I Columbia Pump and 
1 Junior Filter for only 
$8.25; includes 4 ft. of 
>rubber tubing. 

Shipping weight 3% Ibs. Floor space 
7%x4 inches. Height 3% inches. 
Results Count 
Acme Junior Filter 
When the water be- BEFORE 
comes milky from 
overfeeding or gets 
otherwise stagnant, 
it is necessary to fil- 
ter the water. This 
filter is designed for 
smaller aquariums. 
Price,.each<.------ $1.50 
Madam, have 
mercy on us; 
we are suffo- 
eating. 





AFTER 
Isn’t life great! 




SUMMARY—More aquarium fishes die from 
suffocation (lack of sufficient oxygen) than 
all other causes. The loss of only a few fancy 
fish will pay for a “White Mist’ Air Pump. 
White Mist Air Pump 
Aerates 1 to 5 aquariums. 
Costs about 6e per month to run. 
Is quiet. 
Never needs oiling. 
Does not interfere with radio. 
Guaranteed for a year. 
Marco Air Pump 
Model A Specifications 
Bid AON EI gs cea eae eae Vibrator Pressure ........ 4% lbs. 
Model B .---105-120 Air Flow...... 30 cu. in. 
24 Releasers -....------.-:-2-------c-creecrececcetecnentereee ...50 or 60 (under usual operat- 
Model B-2 Wi CE gp Rees are sae 1.85 ing conditions) 
DOME LODS CNS ieee asec paceaitacefeestecntdetoaersasenpeaeasencese . - 
A fine piece of workmanship; a very popu- Celluloid Tubing 
lar pump. Will supply ten outlets. Takes up 3/16 in. diameter, 16 in. long, each............ $0.30 
floor space, 6x4% inches. 
Standard Model 
Shipping weight, 8 lbs. 
- Page 35 
5/16 in. diameter, 16 in long, each__.......... 
% in, diameter, 16 in. long, each................ 
PUMPS AND FILTERS 

nan Btn i tt 
SAINT LOUIS, MO. 


Supreme Air Pump Junior Model 
60-Cycle—110 Volts A. C. Current 
Price—$9.75 
Here is the pump for the average fancier. 
It will supply 10 outlets with plenty of air. 
It has 12 lbs. of stalling pressure and will 
Operate on 3 to 4 cents per day. Shipping 
weight, 8 Ibs. A real honest-to-goodness 
VALUE. 
Supreme 2 Cylinder Air Pump 
for 20 Outlets PRICE, $13.50 

Chromium Filter 
This filter comes complete with directions 
and all filtering material including hanger, 
inlet and outlet tubes, as illustrated. It is 
a gravity filter; hangs on the outside of the 
aquarium and returns the clear water into 
the aquarium, acting also as an aerator while 
filtering. Can be used with any air pump. 
Length Width Height 
Pek: 4 10% 
Price: phe cs. crtece eae PR Sh yee $8.50 
Filter Supplies 
Best filtering charcoal, per quart................ $0.30 
Bere ail rites. st ee eee eae Se Pet ee 
Activated carbon. <A very high grade 
filtering compound. Will filter any 
discoloration out of water and leave it 
absolutely clear. Per quart 
Perrralion eas... sec Se Wo acneumade Uhk eae Sete 

All-celluloid Filter 
Daily capacity, 300 gallons, 
complete with filtering material, 
$4.50 
