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BELDT’S AQUARIUM, ST. LOUIS, MISSOURI 
The Magnus Pump 
THE MAGNUS PUMP 
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 guar¬ 
antee. 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 66.65 
Acme Junior Filter 
When the water becomes milky from 
overfeeding or gets otherwise stagnant, 
it is necessary to filter the water. This 
filter is designed for smaller aquariums. 
Price, each $1.50 
SPECIAL OFFER 
One Magnus Air Pump com¬ 
plete and One Acme Junior 
Filter complete $7.75 
MARCO AIR PUMP 
Model A 
12 Releasers $15.00 
Model B 
24 Releasers 20.00 
Model B-2 
36 Releasers 25.00 
A fine piece of 
workmanship; a very 
popular pump. Will 
supply ten outlets. 
Takes up floor space 
6 x 4/z inches. 
Standard Model 
Shipping weight, 8 lbs. 
A small aerator to be used in aquariums up to 20 gallon capacity. 
It can be attached to the top frame of any aquarium. It must be kept 
above water level and works entirely automatically. It pumps fresh air 
into the water at intervals of about twice a minute, operates on 2c per 
day and makes it possible to keep more fish in an aquarium in healthier 
condition. 
Provided with a six-foot extension cord and can be plugged into 
any convenient socket. A. C. current, 110 volt. 
Price each $ 1.50 
SUPREME AIR PUMP 
Junior Model 
60 Cycle—110 Volts A. C. Current 
Price — $10.25 
Here is the pump for the average fancier. It will supply 10 out¬ 
lets with plenty of air. It has 12 lbs. of stalling pressure and will 
operate on 3 to 4 cents per day. Shipping weight, 8 lbs. A real 
honest-to-goodness VALUE. 
SUPREME 2 CYLINDER PUMP FOR 20 OUTLETS 
PRICE $ 15.00 
WATER CIRCULATING PUMP 
This pump can be used for filters or for aerating pur¬ 
poses. Capacity, 25 gallons per hour. 
Length Width Height Price 
111/2 31/2 61/ 2 $12.50 
Shipping Weight, 12 Lbs. 
CHROMIUM FILTER 
This filter comes complete with 
directions and all filtering mate¬ 
rial including hanger, inlet and 
outlet tubes, as illustrated. It is 
a gravity filter; hangs on the out¬ 
side of the aquarium and returns 
the clear water into the aquar¬ 
ium, acting also as an aerator 
while filtering. Can be used with 
any air pump. 
Length Width Height 
6 4 IOV4 
Price $8.50 
